Home / 908,585.97-1,253,857.07-500,702.43

Finding the Fourth Proportional to 908,585.97, 1,253,857.07 and 500,702.43

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Solution

The fourth proportional to 908,585.97, 1,253,857.07 and 500,702.43 is: 690,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,585.97 : 1,253,857.07 = 500,702.43 : x
  2. Step 2: Convert to fraction form
    908,585.97/1,253,857.07 = 500,702.43/x
  3. Step 3: Cross multiply
    908,585.97x = 1,253,857.07 × 500,702.43
  4. Step 4: Simplify right side
    908,585.97x = 627,809,279,318.17
  5. Step 5: Solve for x
    x = 627,809,279,318.17/908,585.97
  6. Step 6: Final answer
    x = 690,974.00

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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.