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Finding the Fourth Proportional to 437,622.60, 656,433.90 and 437,622.60

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Solution

The fourth proportional to 437,622.60, 656,433.90 and 437,622.60 is: 656,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,622.60 : 656,433.90 = 437,622.60 : x
  2. Step 2: Convert to fraction form
    437,622.60/656,433.90 = 437,622.60/x
  3. Step 3: Cross multiply
    437,622.60x = 656,433.90 × 437,622.60
  4. Step 4: Simplify right side
    437,622.60x = 287,270,310,046.14
  5. Step 5: Solve for x
    x = 287,270,310,046.14/437,622.60
  6. Step 6: Final answer
    x = 656,433.90

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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.