Home / 494,062.02-681,727.86-287,376.12

Finding the Fourth Proportional to 494,062.02, 681,727.86 and 287,376.12

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Solution

The fourth proportional to 494,062.02, 681,727.86 and 287,376.12 is: 396,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,062.02 : 681,727.86 = 287,376.12 : x
  2. Step 2: Convert to fraction form
    494,062.02/681,727.86 = 287,376.12/x
  3. Step 3: Cross multiply
    494,062.02x = 681,727.86 × 287,376.12
  4. Step 4: Simplify right side
    494,062.02x = 195,912,307,302.70
  5. Step 5: Solve for x
    x = 195,912,307,302.70/494,062.02
  6. Step 6: Final answer
    x = 396,533.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.