Home / 439,254.64-658,892.76-123,709.42

Finding the Fourth Proportional to 439,254.64, 658,892.76 and 123,709.42

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Solution

The fourth proportional to 439,254.64, 658,892.76 and 123,709.42 is: 185,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,254.64 : 658,892.76 = 123,709.42 : x
  2. Step 2: Convert to fraction form
    439,254.64/658,892.76 = 123,709.42/x
  3. Step 3: Cross multiply
    439,254.64x = 658,892.76 × 123,709.42
  4. Step 4: Simplify right side
    439,254.64x = 81,511,241,181.80
  5. Step 5: Solve for x
    x = 81,511,241,181.80/439,254.64
  6. Step 6: Final answer
    x = 185,567.17

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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.