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Finding the Fourth Proportional to 629,550.63, 944,643.51 and 309,689.10

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Solution

The fourth proportional to 629,550.63, 944,643.51 and 309,689.10 is: 464,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,550.63 : 944,643.51 = 309,689.10 : x
  2. Step 2: Convert to fraction form
    629,550.63/944,643.51 = 309,689.10/x
  3. Step 3: Cross multiply
    629,550.63x = 944,643.51 × 309,689.10
  4. Step 4: Simplify right side
    629,550.63x = 292,545,798,432.74
  5. Step 5: Solve for x
    x = 292,545,798,432.74/629,550.63
  6. Step 6: Final answer
    x = 464,689.87

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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.