Home / 728,159.40-1,092,724.97-254,844.81

Finding the Fourth Proportional to 728,159.40, 1,092,724.97 and 254,844.81

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Solution

The fourth proportional to 728,159.40, 1,092,724.97 and 254,844.81 is: 382,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,159.40 : 1,092,724.97 = 254,844.81 : x
  2. Step 2: Convert to fraction form
    728,159.40/1,092,724.97 = 254,844.81/x
  3. Step 3: Cross multiply
    728,159.40x = 1,092,724.97 × 254,844.81
  4. Step 4: Simplify right side
    728,159.40x = 278,475,286,087.68
  5. Step 5: Solve for x
    x = 278,475,286,087.68/728,159.40
  6. Step 6: Final answer
    x = 382,437.26

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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.