Home / 803,691.62-1,109,092.97-459,534.02

Finding the Fourth Proportional to 803,691.62, 1,109,092.97 and 459,534.02

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Solution

The fourth proportional to 803,691.62, 1,109,092.97 and 459,534.02 is: 634,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,691.62 : 1,109,092.97 = 459,534.02 : x
  2. Step 2: Convert to fraction form
    803,691.62/1,109,092.97 = 459,534.02/x
  3. Step 3: Cross multiply
    803,691.62x = 1,109,092.97 × 459,534.02
  4. Step 4: Simplify right side
    803,691.62x = 509,665,943,214.71
  5. Step 5: Solve for x
    x = 509,665,943,214.71/803,691.62
  6. Step 6: Final answer
    x = 634,156.10

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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.