Home / 439,258.64-658,898.78-123,713.44

Finding the Fourth Proportional to 439,258.64, 658,898.78 and 123,713.44

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Solution

The fourth proportional to 439,258.64, 658,898.78 and 123,713.44 is: 185,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,258.64 : 658,898.78 = 123,713.44 : x
  2. Step 2: Convert to fraction form
    439,258.64/658,898.78 = 123,713.44/x
  3. Step 3: Cross multiply
    439,258.64x = 658,898.78 × 123,713.44
  4. Step 4: Simplify right side
    439,258.64x = 81,514,634,685.60
  5. Step 5: Solve for x
    x = 81,514,634,685.60/439,258.64
  6. Step 6: Final answer
    x = 185,573.21

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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.