Home / 861,791.20-1,289,614.80-546,399.20

Finding the Fourth Proportional to 861,791.20, 1,289,614.80 and 546,399.20

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Solution

The fourth proportional to 861,791.20, 1,289,614.80 and 546,399.20 is: 817,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,791.20 : 1,289,614.80 = 546,399.20 : x
  2. Step 2: Convert to fraction form
    861,791.20/1,289,614.80 = 546,399.20/x
  3. Step 3: Cross multiply
    861,791.20x = 1,289,614.80 × 546,399.20
  4. Step 4: Simplify right side
    861,791.20x = 704,644,495,028.16
  5. Step 5: Solve for x
    x = 704,644,495,028.16/861,791.20
  6. Step 6: Final answer
    x = 817,651.07

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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.