Home / 429,539.22-644,308.02-239,966.82

Finding the Fourth Proportional to 429,539.22, 644,308.02 and 239,966.82

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Solution

The fourth proportional to 429,539.22, 644,308.02 and 239,966.82 is: 359,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,539.22 : 644,308.02 = 239,966.82 : x
  2. Step 2: Convert to fraction form
    429,539.22/644,308.02 = 239,966.82/x
  3. Step 3: Cross multiply
    429,539.22x = 644,308.02 × 239,966.82
  4. Step 4: Simplify right side
    429,539.22x = 154,612,546,659.90
  5. Step 5: Solve for x
    x = 154,612,546,659.90/429,539.22
  6. Step 6: Final answer
    x = 359,949.78

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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.