Home / 820,763.76-1,231,579.04-582,417.76

Finding the Fourth Proportional to 820,763.76, 1,231,579.04 and 582,417.76

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Solution

The fourth proportional to 820,763.76, 1,231,579.04 and 582,417.76 is: 873,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,763.76 : 1,231,579.04 = 582,417.76 : x
  2. Step 2: Convert to fraction form
    820,763.76/1,231,579.04 = 582,417.76/x
  3. Step 3: Cross multiply
    820,763.76x = 1,231,579.04 × 582,417.76
  4. Step 4: Simplify right side
    820,763.76x = 717,293,505,739.75
  5. Step 5: Solve for x
    x = 717,293,505,739.75/820,763.76
  6. Step 6: Final answer
    x = 873,934.18

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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.