Home / 719,771.76-1,079,546.92-240,007.90

Finding the Fourth Proportional to 719,771.76, 1,079,546.92 and 240,007.90

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Solution

The fourth proportional to 719,771.76, 1,079,546.92 and 240,007.90 is: 359,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,771.76 : 1,079,546.92 = 240,007.90 : x
  2. Step 2: Convert to fraction form
    719,771.76/1,079,546.92 = 240,007.90/x
  3. Step 3: Cross multiply
    719,771.76x = 1,079,546.92 × 240,007.90
  4. Step 4: Simplify right side
    719,771.76x = 259,099,789,220.67
  5. Step 5: Solve for x
    x = 259,099,789,220.67/719,771.76
  6. Step 6: Final answer
    x = 359,974.93

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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.