Home / 658,284.48-987,505.86-231,731.73

Finding the Fourth Proportional to 658,284.48, 987,505.86 and 231,731.73

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Solution

The fourth proportional to 658,284.48, 987,505.86 and 231,731.73 is: 347,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,284.48 : 987,505.86 = 231,731.73 : x
  2. Step 2: Convert to fraction form
    658,284.48/987,505.86 = 231,731.73/x
  3. Step 3: Cross multiply
    658,284.48x = 987,505.86 × 231,731.73
  4. Step 4: Simplify right side
    658,284.48x = 228,836,441,322.94
  5. Step 5: Solve for x
    x = 228,836,441,322.94/658,284.48
  6. Step 6: Final answer
    x = 347,625.45

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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.