Home / 765,810.59-1,148,716.16-344,594.39

Finding the Fourth Proportional to 765,810.59, 1,148,716.16 and 344,594.39

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Solution

The fourth proportional to 765,810.59, 1,148,716.16 and 344,594.39 is: 516,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,810.59 : 1,148,716.16 = 344,594.39 : x
  2. Step 2: Convert to fraction form
    765,810.59/1,148,716.16 = 344,594.39/x
  3. Step 3: Cross multiply
    765,810.59x = 1,148,716.16 × 344,594.39
  4. Step 4: Simplify right side
    765,810.59x = 395,841,142,715.37
  5. Step 5: Solve for x
    x = 395,841,142,715.37/765,810.59
  6. Step 6: Final answer
    x = 516,891.71

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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.