Home / 481,977.20-722,965.80-304,830.20

Finding the Fourth Proportional to 481,977.20, 722,965.80 and 304,830.20

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Solution

The fourth proportional to 481,977.20, 722,965.80 and 304,830.20 is: 457,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,977.20 : 722,965.80 = 304,830.20 : x
  2. Step 2: Convert to fraction form
    481,977.20/722,965.80 = 304,830.20/x
  3. Step 3: Cross multiply
    481,977.20x = 722,965.80 × 304,830.20
  4. Step 4: Simplify right side
    481,977.20x = 220,381,809,407.16
  5. Step 5: Solve for x
    x = 220,381,809,407.16/481,977.20
  6. Step 6: Final answer
    x = 457,245.30

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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.