Home / 782,859.45-1,174,289.18-408,833.85

Finding the Fourth Proportional to 782,859.45, 1,174,289.18 and 408,833.85

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Solution

The fourth proportional to 782,859.45, 1,174,289.18 and 408,833.85 is: 613,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,859.45 : 1,174,289.18 = 408,833.85 : x
  2. Step 2: Convert to fraction form
    782,859.45/1,174,289.18 = 408,833.85/x
  3. Step 3: Cross multiply
    782,859.45x = 1,174,289.18 × 408,833.85
  4. Step 4: Simplify right side
    782,859.45x = 480,089,164,428.57
  5. Step 5: Solve for x
    x = 480,089,164,428.57/782,859.45
  6. Step 6: Final answer
    x = 613,250.78

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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.