Home / 658,276.44-987,414.64-231,711.80

Finding the Fourth Proportional to 658,276.44, 987,414.64 and 231,711.80

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Solution

The fourth proportional to 658,276.44, 987,414.64 and 231,711.80 is: 347,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,276.44 : 987,414.64 = 231,711.80 : x
  2. Step 2: Convert to fraction form
    658,276.44/987,414.64 = 231,711.80/x
  3. Step 3: Cross multiply
    658,276.44x = 987,414.64 × 231,711.80
  4. Step 4: Simplify right side
    658,276.44x = 228,795,623,580.75
  5. Step 5: Solve for x
    x = 228,795,623,580.75/658,276.44
  6. Step 6: Final answer
    x = 347,567.69

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1.5x scale

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.