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Finding the Fourth Proportional to 482,807.40, 724,211.10 and 283,223.40

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Solution

The fourth proportional to 482,807.40, 724,211.10 and 283,223.40 is: 424,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,807.40 : 724,211.10 = 283,223.40 : x
  2. Step 2: Convert to fraction form
    482,807.40/724,211.10 = 283,223.40/x
  3. Step 3: Cross multiply
    482,807.40x = 724,211.10 × 283,223.40
  4. Step 4: Simplify right side
    482,807.40x = 205,113,530,059.74
  5. Step 5: Solve for x
    x = 205,113,530,059.74/482,807.40
  6. Step 6: Final answer
    x = 424,835.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.