Home / 749,020.20-1,123,530.30-329,116.20

Finding the Fourth Proportional to 749,020.20, 1,123,530.30 and 329,116.20

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Solution

The fourth proportional to 749,020.20, 1,123,530.30 and 329,116.20 is: 493,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,020.20 : 1,123,530.30 = 329,116.20 : x
  2. Step 2: Convert to fraction form
    749,020.20/1,123,530.30 = 329,116.20/x
  3. Step 3: Cross multiply
    749,020.20x = 1,123,530.30 × 329,116.20
  4. Step 4: Simplify right side
    749,020.20x = 369,772,022,920.86
  5. Step 5: Solve for x
    x = 369,772,022,920.86/749,020.20
  6. Step 6: Final answer
    x = 493,674.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 749,021.20, 1,123,531.80 and 329,117.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.