Home / 908,574.38-1,253,815.41-500,713.91

Finding the Fourth Proportional to 908,574.38, 1,253,815.41 and 500,713.91

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Solution

The fourth proportional to 908,574.38, 1,253,815.41 and 500,713.91 is: 690,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,574.38 : 1,253,815.41 = 500,713.91 : x
  2. Step 2: Convert to fraction form
    908,574.38/1,253,815.41 = 500,713.91/x
  3. Step 3: Cross multiply
    908,574.38x = 1,253,815.41 × 500,713.91
  4. Step 4: Simplify right side
    908,574.38x = 627,802,816,359.35
  5. Step 5: Solve for x
    x = 627,802,816,359.35/908,574.38
  6. Step 6: Final answer
    x = 690,975.70

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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.