Home / 907,811.10-1,361,716.65-276,723.90

Finding the Fourth Proportional to 907,811.10, 1,361,716.65 and 276,723.90

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Solution

The fourth proportional to 907,811.10, 1,361,716.65 and 276,723.90 is: 415,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,811.10 : 1,361,716.65 = 276,723.90 : x
  2. Step 2: Convert to fraction form
    907,811.10/1,361,716.65 = 276,723.90/x
  3. Step 3: Cross multiply
    907,811.10x = 1,361,716.65 × 276,723.90
  4. Step 4: Simplify right side
    907,811.10x = 376,819,542,082.94
  5. Step 5: Solve for x
    x = 376,819,542,082.94/907,811.10
  6. Step 6: Final answer
    x = 415,085.85

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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.