Home / 658,426.84-987,719.35-231,874.50

Finding the Fourth Proportional to 658,426.84, 987,719.35 and 231,874.50

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Solution

The fourth proportional to 658,426.84, 987,719.35 and 231,874.50 is: 347,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,426.84 : 987,719.35 = 231,874.50 : x
  2. Step 2: Convert to fraction form
    658,426.84/987,719.35 = 231,874.50/x
  3. Step 3: Cross multiply
    658,426.84x = 987,719.35 × 231,874.50
  4. Step 4: Simplify right side
    658,426.84x = 229,026,929,402.90
  5. Step 5: Solve for x
    x = 229,026,929,402.90/658,426.84
  6. Step 6: Final answer
    x = 347,839.60

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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.