Home / 658,000.32-987,008.58-231,548.88

Finding the Fourth Proportional to 658,000.32, 987,008.58 and 231,548.88

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Solution

The fourth proportional to 658,000.32, 987,008.58 and 231,548.88 is: 347,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,000.32 : 987,008.58 = 231,548.88 : x
  2. Step 2: Convert to fraction form
    658,000.32/987,008.58 = 231,548.88/x
  3. Step 3: Cross multiply
    658,000.32x = 987,008.58 × 231,548.88
  4. Step 4: Simplify right side
    658,000.32x = 228,540,731,249.39
  5. Step 5: Solve for x
    x = 228,540,731,249.39/658,000.32
  6. Step 6: Final answer
    x = 347,326.17

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Similar ratio
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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.