Home / 822,930.10-1,233,617.55-486,229.30

Finding the Fourth Proportional to 822,930.10, 1,233,617.55 and 486,229.30

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Solution

The fourth proportional to 822,930.10, 1,233,617.55 and 486,229.30 is: 728,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,930.10 : 1,233,617.55 = 486,229.30 : x
  2. Step 2: Convert to fraction form
    822,930.10/1,233,617.55 = 486,229.30/x
  3. Step 3: Cross multiply
    822,930.10x = 1,233,617.55 × 486,229.30
  4. Step 4: Simplify right side
    822,930.10x = 599,820,997,804.22
  5. Step 5: Solve for x
    x = 599,820,997,804.22/822,930.10
  6. Step 6: Final answer
    x = 728,884.50

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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.