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Finding the Fourth Proportional to 482,820.40, 724,230.60 and 304,361.20

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Solution

The fourth proportional to 482,820.40, 724,230.60 and 304,361.20 is: 456,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,820.40 : 724,230.60 = 304,361.20 : x
  2. Step 2: Convert to fraction form
    482,820.40/724,230.60 = 304,361.20/x
  3. Step 3: Cross multiply
    482,820.40x = 724,230.60 × 304,361.20
  4. Step 4: Simplify right side
    482,820.40x = 220,427,694,492.72
  5. Step 5: Solve for x
    x = 220,427,694,492.72/482,820.40
  6. Step 6: Final answer
    x = 456,541.80

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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.