Home / 765,449.40-1,055,863.98-595,414.20

Finding the Fourth Proportional to 765,449.40, 1,055,863.98 and 595,414.20

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Solution

The fourth proportional to 765,449.40, 1,055,863.98 and 595,414.20 is: 821,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,449.40 : 1,055,863.98 = 595,414.20 : x
  2. Step 2: Convert to fraction form
    765,449.40/1,055,863.98 = 595,414.20/x
  3. Step 3: Cross multiply
    765,449.40x = 1,055,863.98 × 595,414.20
  4. Step 4: Simplify right side
    765,449.40x = 628,676,406,960.52
  5. Step 5: Solve for x
    x = 628,676,406,960.52/765,449.40
  6. Step 6: Final answer
    x = 821,316.74

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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.