Home / 819,614.74-1,229,422.09-220,577.22

Finding the Fourth Proportional to 819,614.74, 1,229,422.09 and 220,577.22

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Solution

The fourth proportional to 819,614.74, 1,229,422.09 and 220,577.22 is: 330,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,614.74 : 1,229,422.09 = 220,577.22 : x
  2. Step 2: Convert to fraction form
    819,614.74/1,229,422.09 = 220,577.22/x
  3. Step 3: Cross multiply
    819,614.74x = 1,229,422.09 × 220,577.22
  4. Step 4: Simplify right side
    819,614.74x = 271,182,506,818.79
  5. Step 5: Solve for x
    x = 271,182,506,818.79/819,614.74
  6. Step 6: Final answer
    x = 330,865.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.