Home / 765,861.13-1,148,791.15-344,644.93

Finding the Fourth Proportional to 765,861.13, 1,148,791.15 and 344,644.93

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Solution

The fourth proportional to 765,861.13, 1,148,791.15 and 344,644.93 is: 516,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,861.13 : 1,148,791.15 = 344,644.93 : x
  2. Step 2: Convert to fraction form
    765,861.13/1,148,791.15 = 344,644.93/x
  3. Step 3: Cross multiply
    765,861.13x = 1,148,791.15 × 344,644.93
  4. Step 4: Simplify right side
    765,861.13x = 395,925,045,476.37
  5. Step 5: Solve for x
    x = 395,925,045,476.37/765,861.13
  6. Step 6: Final answer
    x = 516,967.15

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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.