Home / 463,587.10-639,677.12-270,026.66

Finding the Fourth Proportional to 463,587.10, 639,677.12 and 270,026.66

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Solution

The fourth proportional to 463,587.10, 639,677.12 and 270,026.66 is: 372,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,587.10 : 639,677.12 = 270,026.66 : x
  2. Step 2: Convert to fraction form
    463,587.10/639,677.12 = 270,026.66/x
  3. Step 3: Cross multiply
    463,587.10x = 639,677.12 × 270,026.66
  4. Step 4: Simplify right side
    463,587.10x = 172,729,876,441.08
  5. Step 5: Solve for x
    x = 172,729,876,441.08/463,587.10
  6. Step 6: Final answer
    x = 372,594.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.