Home / 481,811.10-722,716.65-257,862.30

Finding the Fourth Proportional to 481,811.10, 722,716.65 and 257,862.30

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Solution

The fourth proportional to 481,811.10, 722,716.65 and 257,862.30 is: 386,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,811.10 : 722,716.65 = 257,862.30 : x
  2. Step 2: Convert to fraction form
    481,811.10/722,716.65 = 257,862.30/x
  3. Step 3: Cross multiply
    481,811.10x = 722,716.65 × 257,862.30
  4. Step 4: Simplify right side
    481,811.10x = 186,361,377,617.30
  5. Step 5: Solve for x
    x = 186,361,377,617.30/481,811.10
  6. Step 6: Final answer
    x = 386,793.45

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Similar ratio
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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.