Home / 801,112.96-1,105,460.24-478,758.88

Finding the Fourth Proportional to 801,112.96, 1,105,460.24 and 478,758.88

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Solution

The fourth proportional to 801,112.96, 1,105,460.24 and 478,758.88 is: 660,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,112.96 : 1,105,460.24 = 478,758.88 : x
  2. Step 2: Convert to fraction form
    801,112.96/1,105,460.24 = 478,758.88/x
  3. Step 3: Cross multiply
    801,112.96x = 1,105,460.24 × 478,758.88
  4. Step 4: Simplify right side
    801,112.96x = 529,248,906,386.93
  5. Step 5: Solve for x
    x = 529,248,906,386.93/801,112.96
  6. Step 6: Final answer
    x = 660,642.05

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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.