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Finding the Fourth Proportional to 629,379.36, 944,462.71 and 255,402.36

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Solution

The fourth proportional to 629,379.36, 944,462.71 and 255,402.36 is: 383,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,379.36 : 944,462.71 = 255,402.36 : x
  2. Step 2: Convert to fraction form
    629,379.36/944,462.71 = 255,402.36/x
  3. Step 3: Cross multiply
    629,379.36x = 944,462.71 × 255,402.36
  4. Step 4: Simplify right side
    629,379.36x = 241,218,005,066.00
  5. Step 5: Solve for x
    x = 241,218,005,066.00/629,379.36
  6. Step 6: Final answer
    x = 383,263.29

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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.