Home / 765,801.28-1,148,702.24-344,585.12

Finding the Fourth Proportional to 765,801.28, 1,148,702.24 and 344,585.12

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Solution

The fourth proportional to 765,801.28, 1,148,702.24 and 344,585.12 is: 516,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,801.28 : 1,148,702.24 = 344,585.12 : x
  2. Step 2: Convert to fraction form
    765,801.28/1,148,702.24 = 344,585.12/x
  3. Step 3: Cross multiply
    765,801.28x = 1,148,702.24 × 344,585.12
  4. Step 4: Simplify right side
    765,801.28x = 395,825,699,214.67
  5. Step 5: Solve for x
    x = 395,825,699,214.67/765,801.28
  6. Step 6: Final answer
    x = 516,877.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.