Home / 861,092.64-1,291,798.80-262,107.36

Finding the Fourth Proportional to 861,092.64, 1,291,798.80 and 262,107.36

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Solution

The fourth proportional to 861,092.64, 1,291,798.80 and 262,107.36 is: 393,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,092.64 : 1,291,798.80 = 262,107.36 : x
  2. Step 2: Convert to fraction form
    861,092.64/1,291,798.80 = 262,107.36/x
  3. Step 3: Cross multiply
    861,092.64x = 1,291,798.80 × 262,107.36
  4. Step 4: Simplify right side
    861,092.64x = 338,589,973,119.17
  5. Step 5: Solve for x
    x = 338,589,973,119.17/861,092.64
  6. Step 6: Final answer
    x = 393,209.69

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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.