Home / 780,125.85-1,170,193.23-240,375.06

Finding the Fourth Proportional to 780,125.85, 1,170,193.23 and 240,375.06

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Solution

The fourth proportional to 780,125.85, 1,170,193.23 and 240,375.06 is: 360,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,125.85 : 1,170,193.23 = 240,375.06 : x
  2. Step 2: Convert to fraction form
    780,125.85/1,170,193.23 = 240,375.06/x
  3. Step 3: Cross multiply
    780,125.85x = 1,170,193.23 × 240,375.06
  4. Step 4: Simplify right side
    780,125.85x = 281,285,267,872.84
  5. Step 5: Solve for x
    x = 281,285,267,872.84/780,125.85
  6. Step 6: Final answer
    x = 360,563.96

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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.