Home / 694,201.38-1,041,039.27-378,486.42

Finding the Fourth Proportional to 694,201.38, 1,041,039.27 and 378,486.42

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Solution

The fourth proportional to 694,201.38, 1,041,039.27 and 378,486.42 is: 567,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,201.38 : 1,041,039.27 = 378,486.42 : x
  2. Step 2: Convert to fraction form
    694,201.38/1,041,039.27 = 378,486.42/x
  3. Step 3: Cross multiply
    694,201.38x = 1,041,039.27 × 378,486.42
  4. Step 4: Simplify right side
    694,201.38x = 394,019,226,381.71
  5. Step 5: Solve for x
    x = 394,019,226,381.71/694,201.38
  6. Step 6: Final answer
    x = 567,586.35

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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.