Home / 491,085.28-677,692.76-273,290.24

Finding the Fourth Proportional to 491,085.28, 677,692.76 and 273,290.24

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Solution

The fourth proportional to 491,085.28, 677,692.76 and 273,290.24 is: 377,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,085.28 : 677,692.76 = 273,290.24 : x
  2. Step 2: Convert to fraction form
    491,085.28/677,692.76 = 273,290.24/x
  3. Step 3: Cross multiply
    491,085.28x = 677,692.76 × 273,290.24
  4. Step 4: Simplify right side
    491,085.28x = 185,206,817,026.66
  5. Step 5: Solve for x
    x = 185,206,817,026.66/491,085.28
  6. Step 6: Final answer
    x = 377,137.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.