Home / 749,070.70-1,123,606.05-329,166.70

Finding the Fourth Proportional to 749,070.70, 1,123,606.05 and 329,166.70

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Solution

The fourth proportional to 749,070.70, 1,123,606.05 and 329,166.70 is: 493,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,070.70 : 1,123,606.05 = 329,166.70 : x
  2. Step 2: Convert to fraction form
    749,070.70/1,123,606.05 = 329,166.70/x
  3. Step 3: Cross multiply
    749,070.70x = 1,123,606.05 × 329,166.70
  4. Step 4: Simplify right side
    749,070.70x = 369,853,695,578.54
  5. Step 5: Solve for x
    x = 369,853,695,578.54/749,070.70
  6. Step 6: Final answer
    x = 493,750.05

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Half scale
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Double scale
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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.