Home / 803,067.28-1,108,213.64-440,487.88

Finding the Fourth Proportional to 803,067.28, 1,108,213.64 and 440,487.88

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Solution

The fourth proportional to 803,067.28, 1,108,213.64 and 440,487.88 is: 607,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,067.28 : 1,108,213.64 = 440,487.88 : x
  2. Step 2: Convert to fraction form
    803,067.28/1,108,213.64 = 440,487.88/x
  3. Step 3: Cross multiply
    803,067.28x = 1,108,213.64 × 440,487.88
  4. Step 4: Simplify right side
    803,067.28x = 488,154,676,870.68
  5. Step 5: Solve for x
    x = 488,154,676,870.68/803,067.28
  6. Step 6: Final answer
    x = 607,862.74

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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.