Home / 517,828.60-777,044.22-218,290.60

Finding the Fourth Proportional to 517,828.60, 777,044.22 and 218,290.60

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Solution

The fourth proportional to 517,828.60, 777,044.22 and 218,290.60 is: 327,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,828.60 : 777,044.22 = 218,290.60 : x
  2. Step 2: Convert to fraction form
    517,828.60/777,044.22 = 218,290.60/x
  3. Step 3: Cross multiply
    517,828.60x = 777,044.22 × 218,290.60
  4. Step 4: Simplify right side
    517,828.60x = 169,621,449,010.33
  5. Step 5: Solve for x
    x = 169,621,449,010.33/517,828.60
  6. Step 6: Final answer
    x = 327,562.92

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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.