Home / 749,997.19-1,125,112.64-244,440.87

Finding the Fourth Proportional to 749,997.19, 1,125,112.64 and 244,440.87

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Solution

The fourth proportional to 749,997.19, 1,125,112.64 and 244,440.87 is: 366,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,997.19 : 1,125,112.64 = 244,440.87 : x
  2. Step 2: Convert to fraction form
    749,997.19/1,125,112.64 = 244,440.87/x
  3. Step 3: Cross multiply
    749,997.19x = 1,125,112.64 × 244,440.87
  4. Step 4: Simplify right side
    749,997.19x = 275,023,505,721.83
  5. Step 5: Solve for x
    x = 275,023,505,721.83/749,997.19
  6. Step 6: Final answer
    x = 366,699.38

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Half scale
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Double scale
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Similar ratio
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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.