Home / 769,854.38-1,062,376.97-425,684.30

Finding the Fourth Proportional to 769,854.38, 1,062,376.97 and 425,684.30

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Solution

The fourth proportional to 769,854.38, 1,062,376.97 and 425,684.30 is: 587,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,854.38 : 1,062,376.97 = 425,684.30 : x
  2. Step 2: Convert to fraction form
    769,854.38/1,062,376.97 = 425,684.30/x
  3. Step 3: Cross multiply
    769,854.38x = 1,062,376.97 × 425,684.30
  4. Step 4: Simplify right side
    769,854.38x = 452,237,189,370.27
  5. Step 5: Solve for x
    x = 452,237,189,370.27/769,854.38
  6. Step 6: Final answer
    x = 587,432.12

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Double scale
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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.