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Finding the Fourth Proportional to 526,322.73, 726,326.15 and 284,605.31

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Solution

The fourth proportional to 526,322.73, 726,326.15 and 284,605.31 is: 392,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,322.73 : 726,326.15 = 284,605.31 : x
  2. Step 2: Convert to fraction form
    526,322.73/726,326.15 = 284,605.31/x
  3. Step 3: Cross multiply
    526,322.73x = 726,326.15 × 284,605.31
  4. Step 4: Simplify right side
    526,322.73x = 206,716,279,474.65
  5. Step 5: Solve for x
    x = 206,716,279,474.65/526,322.73
  6. Step 6: Final answer
    x = 392,755.75

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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.