Home / 822,099.96-1,230,049.20-485,323.80

Finding the Fourth Proportional to 822,099.96, 1,230,049.20 and 485,323.80

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Solution

The fourth proportional to 822,099.96, 1,230,049.20 and 485,323.80 is: 726,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,099.96 : 1,230,049.20 = 485,323.80 : x
  2. Step 2: Convert to fraction form
    822,099.96/1,230,049.20 = 485,323.80/x
  3. Step 3: Cross multiply
    822,099.96x = 1,230,049.20 × 485,323.80
  4. Step 4: Simplify right side
    822,099.96x = 596,972,151,930.96
  5. Step 5: Solve for x
    x = 596,972,151,930.96/822,099.96
  6. Step 6: Final answer
    x = 726,155.19

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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.