Home / 801,128.76-1,105,686.44-457,076.92

Finding the Fourth Proportional to 801,128.76, 1,105,686.44 and 457,076.92

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Solution

The fourth proportional to 801,128.76, 1,105,686.44 and 457,076.92 is: 630,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,128.76 : 1,105,686.44 = 457,076.92 : x
  2. Step 2: Convert to fraction form
    801,128.76/1,105,686.44 = 457,076.92/x
  3. Step 3: Cross multiply
    801,128.76x = 1,105,686.44 × 457,076.92
  4. Step 4: Simplify right side
    801,128.76x = 505,383,752,480.97
  5. Step 5: Solve for x
    x = 505,383,752,480.97/801,128.76
  6. Step 6: Final answer
    x = 630,839.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.