Home / 861,632.91-1,292,635.80-262,578.24

Finding the Fourth Proportional to 861,632.91, 1,292,635.80 and 262,578.24

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Solution

The fourth proportional to 861,632.91, 1,292,635.80 and 262,578.24 is: 393,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,632.91 : 1,292,635.80 = 262,578.24 : x
  2. Step 2: Convert to fraction form
    861,632.91/1,292,635.80 = 262,578.24/x
  3. Step 3: Cross multiply
    861,632.91x = 1,292,635.80 × 262,578.24
  4. Step 4: Simplify right side
    861,632.91x = 339,418,033,324.99
  5. Step 5: Solve for x
    x = 339,418,033,324.99/861,632.91
  6. Step 6: Final answer
    x = 393,924.18

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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.