Home / 555,079.31-766,028.00-340,177.85

Finding the Fourth Proportional to 555,079.31, 766,028.00 and 340,177.85

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Solution

The fourth proportional to 555,079.31, 766,028.00 and 340,177.85 is: 469,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,079.31 : 766,028.00 = 340,177.85 : x
  2. Step 2: Convert to fraction form
    555,079.31/766,028.00 = 340,177.85/x
  3. Step 3: Cross multiply
    555,079.31x = 766,028.00 × 340,177.85
  4. Step 4: Simplify right side
    555,079.31x = 260,585,756,378.91
  5. Step 5: Solve for x
    x = 260,585,756,378.91/555,079.31
  6. Step 6: Final answer
    x = 469,456.80

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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.