Home / 908,370.12-1,253,580.66-500,488.68

Finding the Fourth Proportional to 908,370.12, 1,253,580.66 and 500,488.68

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Solution

The fourth proportional to 908,370.12, 1,253,580.66 and 500,488.68 is: 690,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,370.12 : 1,253,580.66 = 500,488.68 : x
  2. Step 2: Convert to fraction form
    908,370.12/1,253,580.66 = 500,488.68/x
  3. Step 3: Cross multiply
    908,370.12x = 1,253,580.66 × 500,488.68
  4. Step 4: Simplify right side
    908,370.12x = 627,402,929,796.93
  5. Step 5: Solve for x
    x = 627,402,929,796.93/908,370.12
  6. Step 6: Final answer
    x = 690,690.85

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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.