Home / 822,387.28-1,233,860.96-443,344.64

Finding the Fourth Proportional to 822,387.28, 1,233,860.96 and 443,344.64

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Solution

The fourth proportional to 822,387.28, 1,233,860.96 and 443,344.64 is: 665,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,387.28 : 1,233,860.96 = 443,344.64 : x
  2. Step 2: Convert to fraction form
    822,387.28/1,233,860.96 = 443,344.64/x
  3. Step 3: Cross multiply
    822,387.28x = 1,233,860.96 × 443,344.64
  4. Step 4: Simplify right side
    822,387.28x = 547,025,643,121.25
  5. Step 5: Solve for x
    x = 547,025,643,121.25/822,387.28
  6. Step 6: Final answer
    x = 665,167.93

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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.