Home / 498,282.86-687,630.14-271,928.36

Finding the Fourth Proportional to 498,282.86, 687,630.14 and 271,928.36

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Solution

The fourth proportional to 498,282.86, 687,630.14 and 271,928.36 is: 375,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,282.86 : 687,630.14 = 271,928.36 : x
  2. Step 2: Convert to fraction form
    498,282.86/687,630.14 = 271,928.36/x
  3. Step 3: Cross multiply
    498,282.86x = 687,630.14 × 271,928.36
  4. Step 4: Simplify right side
    498,282.86x = 186,986,135,297.61
  5. Step 5: Solve for x
    x = 186,986,135,297.61/498,282.86
  6. Step 6: Final answer
    x = 375,261.02

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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.