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Finding the Fourth Proportional to 632,589.60, 947,834.64 and 445,207.44

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Solution

The fourth proportional to 632,589.60, 947,834.64 and 445,207.44 is: 667,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,589.60 : 947,834.64 = 445,207.44 : x
  2. Step 2: Convert to fraction form
    632,589.60/947,834.64 = 445,207.44/x
  3. Step 3: Cross multiply
    632,589.60x = 947,834.64 × 445,207.44
  4. Step 4: Simplify right side
    632,589.60x = 421,983,033,617.72
  5. Step 5: Solve for x
    x = 421,983,033,617.72/632,589.60
  6. Step 6: Final answer
    x = 667,072.35

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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.