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Finding the Fourth Proportional to 629,447.73, 944,994.69 and 373,747.20

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Solution

The fourth proportional to 629,447.73, 944,994.69 and 373,747.20 is: 561,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,447.73 : 944,994.69 = 373,747.20 : x
  2. Step 2: Convert to fraction form
    629,447.73/944,994.69 = 373,747.20/x
  3. Step 3: Cross multiply
    629,447.73x = 944,994.69 × 373,747.20
  4. Step 4: Simplify right side
    629,447.73x = 353,189,119,402.37
  5. Step 5: Solve for x
    x = 353,189,119,402.37/629,447.73
  6. Step 6: Final answer
    x = 561,109.53

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1.5x scale

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.