Home / 727,216.80-1,090,825.20-664,231.20

Finding the Fourth Proportional to 727,216.80, 1,090,825.20 and 664,231.20

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Solution

The fourth proportional to 727,216.80, 1,090,825.20 and 664,231.20 is: 996,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,216.80 : 1,090,825.20 = 664,231.20 : x
  2. Step 2: Convert to fraction form
    727,216.80/1,090,825.20 = 664,231.20/x
  3. Step 3: Cross multiply
    727,216.80x = 1,090,825.20 × 664,231.20
  4. Step 4: Simplify right side
    727,216.80x = 724,560,131,586.24
  5. Step 5: Solve for x
    x = 724,560,131,586.24/727,216.80
  6. Step 6: Final answer
    x = 996,346.80

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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.