Home / 820,714.68-1,231,505.46-582,368.72

Finding the Fourth Proportional to 820,714.68, 1,231,505.46 and 582,368.72

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Solution

The fourth proportional to 820,714.68, 1,231,505.46 and 582,368.72 is: 873,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,714.68 : 1,231,505.46 = 582,368.72 : x
  2. Step 2: Convert to fraction form
    820,714.68/1,231,505.46 = 582,368.72/x
  3. Step 3: Cross multiply
    820,714.68x = 1,231,505.46 × 582,368.72
  4. Step 4: Simplify right side
    820,714.68x = 717,190,252,255.68
  5. Step 5: Solve for x
    x = 717,190,252,255.68/820,714.68
  6. Step 6: Final answer
    x = 873,860.64

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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.