Home / 658,427.59-987,720.48-231,875.25

Finding the Fourth Proportional to 658,427.59, 987,720.48 and 231,875.25

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Solution

The fourth proportional to 658,427.59, 987,720.48 and 231,875.25 is: 347,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,427.59 : 987,720.48 = 231,875.25 : x
  2. Step 2: Convert to fraction form
    658,427.59/987,720.48 = 231,875.25/x
  3. Step 3: Cross multiply
    658,427.59x = 987,720.48 × 231,875.25
  4. Step 4: Simplify right side
    658,427.59x = 229,027,933,230.12
  5. Step 5: Solve for x
    x = 229,027,933,230.12/658,427.59
  6. Step 6: Final answer
    x = 347,840.73

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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.