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Finding the Fourth Proportional to 629,734.96, 944,135.88 and 380,358.64

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Solution

The fourth proportional to 629,734.96, 944,135.88 and 380,358.64 is: 570,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,734.96 : 944,135.88 = 380,358.64 : x
  2. Step 2: Convert to fraction form
    629,734.96/944,135.88 = 380,358.64/x
  3. Step 3: Cross multiply
    629,734.96x = 944,135.88 × 380,358.64
  4. Step 4: Simplify right side
    629,734.96x = 359,110,239,292.00
  5. Step 5: Solve for x
    x = 359,110,239,292.00/629,734.96
  6. Step 6: Final answer
    x = 570,256.16

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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.