Home / 758,906.55-1,139,672.03-404,612.55

Finding the Fourth Proportional to 758,906.55, 1,139,672.03 and 404,612.55

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Solution

The fourth proportional to 758,906.55, 1,139,672.03 and 404,612.55 is: 607,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,906.55 : 1,139,672.03 = 404,612.55 : x
  2. Step 2: Convert to fraction form
    758,906.55/1,139,672.03 = 404,612.55/x
  3. Step 3: Cross multiply
    758,906.55x = 1,139,672.03 × 404,612.55
  4. Step 4: Simplify right side
    758,906.55x = 461,125,604,198.91
  5. Step 5: Solve for x
    x = 461,125,604,198.91/758,906.55
  6. Step 6: Final answer
    x = 607,618.43

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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.