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Finding the Fourth Proportional to 647,279.37, 971,251.79 and 496,445.36

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Solution

The fourth proportional to 647,279.37, 971,251.79 and 496,445.36 is: 744,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,279.37 : 971,251.79 = 496,445.36 : x
  2. Step 2: Convert to fraction form
    647,279.37/971,251.79 = 496,445.36/x
  3. Step 3: Cross multiply
    647,279.37x = 971,251.79 × 496,445.36
  4. Step 4: Simplify right side
    647,279.37x = 482,173,437,198.71
  5. Step 5: Solve for x
    x = 482,173,437,198.71/647,279.37
  6. Step 6: Final answer
    x = 744,923.23

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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.