Home / 780,441.01-1,170,773.12-240,742.87

Finding the Fourth Proportional to 780,441.01, 1,170,773.12 and 240,742.87

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Solution

The fourth proportional to 780,441.01, 1,170,773.12 and 240,742.87 is: 361,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,441.01 : 1,170,773.12 = 240,742.87 : x
  2. Step 2: Convert to fraction form
    780,441.01/1,170,773.12 = 240,742.87/x
  3. Step 3: Cross multiply
    780,441.01x = 1,170,773.12 × 240,742.87
  4. Step 4: Simplify right side
    780,441.01x = 281,855,278,702.58
  5. Step 5: Solve for x
    x = 281,855,278,702.58/780,441.01
  6. Step 6: Final answer
    x = 361,148.73

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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.