Home / 801,081.72-1,105,495.02-443,385.72

Finding the Fourth Proportional to 801,081.72, 1,105,495.02 and 443,385.72

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Solution

The fourth proportional to 801,081.72, 1,105,495.02 and 443,385.72 is: 611,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,081.72 : 1,105,495.02 = 443,385.72 : x
  2. Step 2: Convert to fraction form
    801,081.72/1,105,495.02 = 443,385.72/x
  3. Step 3: Cross multiply
    801,081.72x = 1,105,495.02 × 443,385.72
  4. Step 4: Simplify right side
    801,081.72x = 490,160,705,399.11
  5. Step 5: Solve for x
    x = 490,160,705,399.11/801,081.72
  6. Step 6: Final answer
    x = 611,873.54

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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.