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Finding the Fourth Proportional to 481,987.20, 722,980.80 and 304,840.20

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Solution

The fourth proportional to 481,987.20, 722,980.80 and 304,840.20 is: 457,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,987.20 : 722,980.80 = 304,840.20 : x
  2. Step 2: Convert to fraction form
    481,987.20/722,980.80 = 304,840.20/x
  3. Step 3: Cross multiply
    481,987.20x = 722,980.80 × 304,840.20
  4. Step 4: Simplify right side
    481,987.20x = 220,393,611,668.16
  5. Step 5: Solve for x
    x = 220,393,611,668.16/481,987.20
  6. Step 6: Final answer
    x = 457,260.30

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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.