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Finding the Fourth Proportional to 582,812.93, 874,815.69 and 481,287.60

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Solution

The fourth proportional to 582,812.93, 874,815.69 and 481,287.60 is: 722,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,812.93 : 874,815.69 = 481,287.60 : x
  2. Step 2: Convert to fraction form
    582,812.93/874,815.69 = 481,287.60/x
  3. Step 3: Cross multiply
    582,812.93x = 874,815.69 × 481,287.60
  4. Step 4: Simplify right side
    582,812.93x = 421,037,943,882.44
  5. Step 5: Solve for x
    x = 421,037,943,882.44/582,812.93
  6. Step 6: Final answer
    x = 722,423.83

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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.