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Finding the Fourth Proportional to 482,850.90, 724,276.35 and 303,225.30

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Solution

The fourth proportional to 482,850.90, 724,276.35 and 303,225.30 is: 454,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,850.90 : 724,276.35 = 303,225.30 : x
  2. Step 2: Convert to fraction form
    482,850.90/724,276.35 = 303,225.30/x
  3. Step 3: Cross multiply
    482,850.90x = 724,276.35 × 303,225.30
  4. Step 4: Simplify right side
    482,850.90x = 219,618,913,511.66
  5. Step 5: Solve for x
    x = 219,618,913,511.66/482,850.90
  6. Step 6: Final answer
    x = 454,837.95

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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.