Home / 822,867.20-1,234,300.80-656,979.20

Finding the Fourth Proportional to 822,867.20, 1,234,300.80 and 656,979.20

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Solution

The fourth proportional to 822,867.20, 1,234,300.80 and 656,979.20 is: 985,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,867.20 : 1,234,300.80 = 656,979.20 : x
  2. Step 2: Convert to fraction form
    822,867.20/1,234,300.80 = 656,979.20/x
  3. Step 3: Cross multiply
    822,867.20x = 1,234,300.80 × 656,979.20
  4. Step 4: Simplify right side
    822,867.20x = 810,909,952,143.36
  5. Step 5: Solve for x
    x = 810,909,952,143.36/822,867.20
  6. Step 6: Final answer
    x = 985,468.80

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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.