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Finding the Fourth Proportional to 750,957.52, 1,126,780.71 and 409,506.70

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Solution

The fourth proportional to 750,957.52, 1,126,780.71 and 409,506.70 is: 614,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,957.52 : 1,126,780.71 = 409,506.70 : x
  2. Step 2: Convert to fraction form
    750,957.52/1,126,780.71 = 409,506.70/x
  3. Step 3: Cross multiply
    750,957.52x = 1,126,780.71 × 409,506.70
  4. Step 4: Simplify right side
    750,957.52x = 461,424,250,175.76
  5. Step 5: Solve for x
    x = 461,424,250,175.76/750,957.52
  6. Step 6: Final answer
    x = 614,447.87

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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.