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Finding the Fourth Proportional to 629,419.32, 944,952.03 and 373,718.61

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Solution

The fourth proportional to 629,419.32, 944,952.03 and 373,718.61 is: 561,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,419.32 : 944,952.03 = 373,718.61 : x
  2. Step 2: Convert to fraction form
    629,419.32/944,952.03 = 373,718.61/x
  3. Step 3: Cross multiply
    629,419.32x = 944,952.03 × 373,718.61
  4. Step 4: Simplify right side
    629,419.32x = 353,146,159,168.28
  5. Step 5: Solve for x
    x = 353,146,159,168.28/629,419.32
  6. Step 6: Final answer
    x = 561,066.60

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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.