Home / 765,865.12-1,148,797.14-344,648.92

Finding the Fourth Proportional to 765,865.12, 1,148,797.14 and 344,648.92

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Solution

The fourth proportional to 765,865.12, 1,148,797.14 and 344,648.92 is: 516,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,865.12 : 1,148,797.14 = 344,648.92 : x
  2. Step 2: Convert to fraction form
    765,865.12/1,148,797.14 = 344,648.92/x
  3. Step 3: Cross multiply
    765,865.12x = 1,148,797.14 × 344,648.92
  4. Step 4: Simplify right side
    765,865.12x = 395,931,693,600.09
  5. Step 5: Solve for x
    x = 395,931,693,600.09/765,865.12
  6. Step 6: Final answer
    x = 516,973.14

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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.