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Finding the Fourth Proportional to 486,227.49, 728,750.71 and 344,114.30

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Solution

The fourth proportional to 486,227.49, 728,750.71 and 344,114.30 is: 515,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,227.49 : 728,750.71 = 344,114.30 : x
  2. Step 2: Convert to fraction form
    486,227.49/728,750.71 = 344,114.30/x
  3. Step 3: Cross multiply
    486,227.49x = 728,750.71 × 344,114.30
  4. Step 4: Simplify right side
    486,227.49x = 250,773,538,712.92
  5. Step 5: Solve for x
    x = 250,773,538,712.92/486,227.49
  6. Step 6: Final answer
    x = 515,753.52

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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.