Home / 945,472.20-1,418,296.32-376,716.12

Finding the Fourth Proportional to 945,472.20, 1,418,296.32 and 376,716.12

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Solution

The fourth proportional to 945,472.20, 1,418,296.32 and 376,716.12 is: 565,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,472.20 : 1,418,296.32 = 376,716.12 : x
  2. Step 2: Convert to fraction form
    945,472.20/1,418,296.32 = 376,716.12/x
  3. Step 3: Cross multiply
    945,472.20x = 1,418,296.32 × 376,716.12
  4. Step 4: Simplify right side
    945,472.20x = 534,295,086,680.68
  5. Step 5: Solve for x
    x = 534,295,086,680.68/945,472.20
  6. Step 6: Final answer
    x = 565,109.25

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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.