Home / 746,686.20-1,120,029.30-185,720.70

Finding the Fourth Proportional to 746,686.20, 1,120,029.30 and 185,720.70

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Solution

The fourth proportional to 746,686.20, 1,120,029.30 and 185,720.70 is: 278,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,686.20 : 1,120,029.30 = 185,720.70 : x
  2. Step 2: Convert to fraction form
    746,686.20/1,120,029.30 = 185,720.70/x
  3. Step 3: Cross multiply
    746,686.20x = 1,120,029.30 × 185,720.70
  4. Step 4: Simplify right side
    746,686.20x = 208,012,625,616.51
  5. Step 5: Solve for x
    x = 208,012,625,616.51/746,686.20
  6. Step 6: Final answer
    x = 278,581.05

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Similar ratio
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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.