Home / 750,220.38-1,125,380.64-263,844.17

Finding the Fourth Proportional to 750,220.38, 1,125,380.64 and 263,844.17

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Solution

The fourth proportional to 750,220.38, 1,125,380.64 and 263,844.17 is: 395,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,220.38 : 1,125,380.64 = 263,844.17 : x
  2. Step 2: Convert to fraction form
    750,220.38/1,125,380.64 = 263,844.17/x
  3. Step 3: Cross multiply
    750,220.38x = 1,125,380.64 × 263,844.17
  4. Step 4: Simplify right side
    750,220.38x = 296,925,115,355.47
  5. Step 5: Solve for x
    x = 296,925,115,355.47/750,220.38
  6. Step 6: Final answer
    x = 395,783.86

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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.