Home / 908,371.12-1,253,582.04-500,489.68

Finding the Fourth Proportional to 908,371.12, 1,253,582.04 and 500,489.68

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Solution

The fourth proportional to 908,371.12, 1,253,582.04 and 500,489.68 is: 690,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,371.12 : 1,253,582.04 = 500,489.68 : x
  2. Step 2: Convert to fraction form
    908,371.12/1,253,582.04 = 500,489.68/x
  3. Step 3: Cross multiply
    908,371.12x = 1,253,582.04 × 500,489.68
  4. Step 4: Simplify right side
    908,371.12x = 627,404,874,053.35
  5. Step 5: Solve for x
    x = 627,404,874,053.35/908,371.12
  6. Step 6: Final answer
    x = 690,692.23

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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.