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Finding the Fourth Proportional to 526,475.15, 726,535.76 and 284,757.74

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Solution

The fourth proportional to 526,475.15, 726,535.76 and 284,757.74 is: 392,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,475.15 : 726,535.76 = 284,757.74 : x
  2. Step 2: Convert to fraction form
    526,475.15/726,535.76 = 284,757.74/x
  3. Step 3: Cross multiply
    526,475.15x = 726,535.76 × 284,757.74
  4. Step 4: Simplify right side
    526,475.15x = 206,886,680,316.59
  5. Step 5: Solve for x
    x = 206,886,680,316.59/526,475.15
  6. Step 6: Final answer
    x = 392,965.71

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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.