Home / 780,490.41-1,170,937.07-240,734.48

Finding the Fourth Proportional to 780,490.41, 1,170,937.07 and 240,734.48

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Solution

The fourth proportional to 780,490.41, 1,170,937.07 and 240,734.48 is: 361,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,490.41 : 1,170,937.07 = 240,734.48 : x
  2. Step 2: Convert to fraction form
    780,490.41/1,170,937.07 = 240,734.48/x
  3. Step 3: Cross multiply
    780,490.41x = 1,170,937.07 × 240,734.48
  4. Step 4: Simplify right side
    780,490.41x = 281,884,919,600.82
  5. Step 5: Solve for x
    x = 281,884,919,600.82/780,490.41
  6. Step 6: Final answer
    x = 361,163.85

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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.