Home / 726,131.20-1,090,233.60-411,203.20

Finding the Fourth Proportional to 726,131.20, 1,090,233.60 and 411,203.20

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Solution

The fourth proportional to 726,131.20, 1,090,233.60 and 411,203.20 is: 617,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,131.20 : 1,090,233.60 = 411,203.20 : x
  2. Step 2: Convert to fraction form
    726,131.20/1,090,233.60 = 411,203.20/x
  3. Step 3: Cross multiply
    726,131.20x = 1,090,233.60 × 411,203.20
  4. Step 4: Simplify right side
    726,131.20x = 448,307,545,067.52
  5. Step 5: Solve for x
    x = 448,307,545,067.52/726,131.20
  6. Step 6: Final answer
    x = 617,391.93

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1.5x scale

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.