Home / 910,067.10-1,255,891.13-502,168.61

Finding the Fourth Proportional to 910,067.10, 1,255,891.13 and 502,168.61

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Solution

The fourth proportional to 910,067.10, 1,255,891.13 and 502,168.61 is: 692,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,067.10 : 1,255,891.13 = 502,168.61 : x
  2. Step 2: Convert to fraction form
    910,067.10/1,255,891.13 = 502,168.61/x
  3. Step 3: Cross multiply
    910,067.10x = 1,255,891.13 × 502,168.61
  4. Step 4: Simplify right side
    910,067.10x = 630,669,105,575.45
  5. Step 5: Solve for x
    x = 630,669,105,575.45/910,067.10
  6. Step 6: Final answer
    x = 692,991.88

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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.