Home / 765,863.13-1,148,794.15-344,646.93

Finding the Fourth Proportional to 765,863.13, 1,148,794.15 and 344,646.93

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Solution

The fourth proportional to 765,863.13, 1,148,794.15 and 344,646.93 is: 516,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,863.13 : 1,148,794.15 = 344,646.93 : x
  2. Step 2: Convert to fraction form
    765,863.13/1,148,794.15 = 344,646.93/x
  3. Step 3: Cross multiply
    765,863.13x = 1,148,794.15 × 344,646.93
  4. Step 4: Simplify right side
    765,863.13x = 395,928,376,999.46
  5. Step 5: Solve for x
    x = 395,928,376,999.46/765,863.13
  6. Step 6: Final answer
    x = 516,970.15

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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.