Home / 749,008.20-1,123,512.30-329,104.20

Finding the Fourth Proportional to 749,008.20, 1,123,512.30 and 329,104.20

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Solution

The fourth proportional to 749,008.20, 1,123,512.30 and 329,104.20 is: 493,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,008.20 : 1,123,512.30 = 329,104.20 : x
  2. Step 2: Convert to fraction form
    749,008.20/1,123,512.30 = 329,104.20/x
  3. Step 3: Cross multiply
    749,008.20x = 1,123,512.30 × 329,104.20
  4. Step 4: Simplify right side
    749,008.20x = 369,752,616,681.66
  5. Step 5: Solve for x
    x = 369,752,616,681.66/749,008.20
  6. Step 6: Final answer
    x = 493,656.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 749,009.20, 1,123,513.80 and 329,105.20
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.