Home / 498,281.13-687,627.77-271,926.63

Finding the Fourth Proportional to 498,281.13, 687,627.77 and 271,926.63

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Solution

The fourth proportional to 498,281.13, 687,627.77 and 271,926.63 is: 375,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,281.13 : 687,627.77 = 271,926.63 : x
  2. Step 2: Convert to fraction form
    498,281.13/687,627.77 = 271,926.63/x
  3. Step 3: Cross multiply
    498,281.13x = 687,627.77 × 271,926.63
  4. Step 4: Simplify right side
    498,281.13x = 186,984,302,190.52
  5. Step 5: Solve for x
    x = 186,984,302,190.52/498,281.13
  6. Step 6: Final answer
    x = 375,258.65

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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.