Home / 442,110.30-663,165.45-403,403.10

Finding the Fourth Proportional to 442,110.30, 663,165.45 and 403,403.10

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Solution

The fourth proportional to 442,110.30, 663,165.45 and 403,403.10 is: 605,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,110.30 : 663,165.45 = 403,403.10 : x
  2. Step 2: Convert to fraction form
    442,110.30/663,165.45 = 403,403.10/x
  3. Step 3: Cross multiply
    442,110.30x = 663,165.45 × 403,403.10
  4. Step 4: Simplify right side
    442,110.30x = 267,522,998,342.90
  5. Step 5: Solve for x
    x = 267,522,998,342.90/442,110.30
  6. Step 6: Final answer
    x = 605,104.65

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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.