Home / 657,575.18-986,418.69-231,074.20

Finding the Fourth Proportional to 657,575.18, 986,418.69 and 231,074.20

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Solution

The fourth proportional to 657,575.18, 986,418.69 and 231,074.20 is: 346,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,575.18 : 986,418.69 = 231,074.20 : x
  2. Step 2: Convert to fraction form
    657,575.18/986,418.69 = 231,074.20/x
  3. Step 3: Cross multiply
    657,575.18x = 986,418.69 × 231,074.20
  4. Step 4: Simplify right side
    657,575.18x = 227,935,909,656.80
  5. Step 5: Solve for x
    x = 227,935,909,656.80/657,575.18
  6. Step 6: Final answer
    x = 346,630.95

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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.