Home / 782,458.45-1,173,767.24-270,056.90

Finding the Fourth Proportional to 782,458.45, 1,173,767.24 and 270,056.90

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Solution

The fourth proportional to 782,458.45, 1,173,767.24 and 270,056.90 is: 405,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,458.45 : 1,173,767.24 = 270,056.90 : x
  2. Step 2: Convert to fraction form
    782,458.45/1,173,767.24 = 270,056.90/x
  3. Step 3: Cross multiply
    782,458.45x = 1,173,767.24 × 270,056.90
  4. Step 4: Simplify right side
    782,458.45x = 316,983,942,155.96
  5. Step 5: Solve for x
    x = 316,983,942,155.96/782,458.45
  6. Step 6: Final answer
    x = 405,112.81

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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.