Home / 728,132.80-1,092,004.80-254,768.80

Finding the Fourth Proportional to 728,132.80, 1,092,004.80 and 254,768.80

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Solution

The fourth proportional to 728,132.80, 1,092,004.80 and 254,768.80 is: 382,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,132.80 : 1,092,004.80 = 254,768.80 : x
  2. Step 2: Convert to fraction form
    728,132.80/1,092,004.80 = 254,768.80/x
  3. Step 3: Cross multiply
    728,132.80x = 1,092,004.80 × 254,768.80
  4. Step 4: Simplify right side
    728,132.80x = 278,208,752,490.24
  5. Step 5: Solve for x
    x = 278,208,752,490.24/728,132.80
  6. Step 6: Final answer
    x = 382,085.18

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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.