Home / 861,264.24-1,291,404.06-262,048.20

Finding the Fourth Proportional to 861,264.24, 1,291,404.06 and 262,048.20

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Solution

The fourth proportional to 861,264.24, 1,291,404.06 and 262,048.20 is: 392,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,264.24 : 1,291,404.06 = 262,048.20 : x
  2. Step 2: Convert to fraction form
    861,264.24/1,291,404.06 = 262,048.20/x
  3. Step 3: Cross multiply
    861,264.24x = 1,291,404.06 × 262,048.20
  4. Step 4: Simplify right side
    861,264.24x = 338,410,109,395.69
  5. Step 5: Solve for x
    x = 338,410,109,395.69/861,264.24
  6. Step 6: Final answer
    x = 392,922.51

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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.