Home / 914,761.78-1,372,018.09-240,786.64

Finding the Fourth Proportional to 914,761.78, 1,372,018.09 and 240,786.64

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Solution

The fourth proportional to 914,761.78, 1,372,018.09 and 240,786.64 is: 361,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,761.78 : 1,372,018.09 = 240,786.64 : x
  2. Step 2: Convert to fraction form
    914,761.78/1,372,018.09 = 240,786.64/x
  3. Step 3: Cross multiply
    914,761.78x = 1,372,018.09 × 240,786.64
  4. Step 4: Simplify right side
    914,761.78x = 330,363,625,910.32
  5. Step 5: Solve for x
    x = 330,363,625,910.32/914,761.78
  6. Step 6: Final answer
    x = 361,147.17

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Double scale
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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.