Home / 801,098.92-1,105,440.90-478,744.84

Finding the Fourth Proportional to 801,098.92, 1,105,440.90 and 478,744.84

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Solution

The fourth proportional to 801,098.92, 1,105,440.90 and 478,744.84 is: 660,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,098.92 : 1,105,440.90 = 478,744.84 : x
  2. Step 2: Convert to fraction form
    801,098.92/1,105,440.90 = 478,744.84/x
  3. Step 3: Cross multiply
    801,098.92x = 1,105,440.90 × 478,744.84
  4. Step 4: Simplify right side
    801,098.92x = 529,224,126,799.96
  5. Step 5: Solve for x
    x = 529,224,126,799.96/801,098.92
  6. Step 6: Final answer
    x = 660,622.69

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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.