Home / 439,185.24-658,816.74-123,644.88

Finding the Fourth Proportional to 439,185.24, 658,816.74 and 123,644.88

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Solution

The fourth proportional to 439,185.24, 658,816.74 and 123,644.88 is: 185,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,185.24 : 658,816.74 = 123,644.88 : x
  2. Step 2: Convert to fraction form
    439,185.24/658,816.74 = 123,644.88/x
  3. Step 3: Cross multiply
    439,185.24x = 658,816.74 × 123,644.88
  4. Step 4: Simplify right side
    439,185.24x = 81,459,316,759.29
  5. Step 5: Solve for x
    x = 81,459,316,759.29/439,185.24
  6. Step 6: Final answer
    x = 185,478.27

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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.