Home / 877,449.61-1,315,912.89-372,002.47

Finding the Fourth Proportional to 877,449.61, 1,315,912.89 and 372,002.47

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Solution

The fourth proportional to 877,449.61, 1,315,912.89 and 372,002.47 is: 557,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,449.61 : 1,315,912.89 = 372,002.47 : x
  2. Step 2: Convert to fraction form
    877,449.61/1,315,912.89 = 372,002.47/x
  3. Step 3: Cross multiply
    877,449.61x = 1,315,912.89 × 372,002.47
  4. Step 4: Simplify right side
    877,449.61x = 489,522,848,799.56
  5. Step 5: Solve for x
    x = 489,522,848,799.56/877,449.61
  6. Step 6: Final answer
    x = 557,892.83

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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.