Home / 770,608.20-1,155,912.30-534,217.80

Finding the Fourth Proportional to 770,608.20, 1,155,912.30 and 534,217.80

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Solution

The fourth proportional to 770,608.20, 1,155,912.30 and 534,217.80 is: 801,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,608.20 : 1,155,912.30 = 534,217.80 : x
  2. Step 2: Convert to fraction form
    770,608.20/1,155,912.30 = 534,217.80/x
  3. Step 3: Cross multiply
    770,608.20x = 1,155,912.30 × 534,217.80
  4. Step 4: Simplify right side
    770,608.20x = 617,508,925,898.94
  5. Step 5: Solve for x
    x = 617,508,925,898.94/770,608.20
  6. Step 6: Final answer
    x = 801,326.70

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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.