Home / 502,986.47-754,479.90-123,914.57

Finding the Fourth Proportional to 502,986.47, 754,479.90 and 123,914.57

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Solution

The fourth proportional to 502,986.47, 754,479.90 and 123,914.57 is: 185,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,986.47 : 754,479.90 = 123,914.57 : x
  2. Step 2: Convert to fraction form
    502,986.47/754,479.90 = 123,914.57/x
  3. Step 3: Cross multiply
    502,986.47x = 754,479.90 × 123,914.57
  4. Step 4: Simplify right side
    502,986.47x = 93,491,054,655.58
  5. Step 5: Solve for x
    x = 93,491,054,655.58/502,986.47
  6. Step 6: Final answer
    x = 185,871.91

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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.