Home / 506,484.03-698,966.24-280,131.15

Finding the Fourth Proportional to 506,484.03, 698,966.24 and 280,131.15

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Solution

The fourth proportional to 506,484.03, 698,966.24 and 280,131.15 is: 386,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,484.03 : 698,966.24 = 280,131.15 : x
  2. Step 2: Convert to fraction form
    506,484.03/698,966.24 = 280,131.15/x
  3. Step 3: Cross multiply
    506,484.03x = 698,966.24 × 280,131.15
  4. Step 4: Simplify right side
    506,484.03x = 195,802,215,221.72
  5. Step 5: Solve for x
    x = 195,802,215,221.72/506,484.03
  6. Step 6: Final answer
    x = 386,591.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.