Home / 497,943.89-687,170.76-271,589.39

Finding the Fourth Proportional to 497,943.89, 687,170.76 and 271,589.39

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Solution

The fourth proportional to 497,943.89, 687,170.76 and 271,589.39 is: 374,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,943.89 : 687,170.76 = 271,589.39 : x
  2. Step 2: Convert to fraction form
    497,943.89/687,170.76 = 271,589.39/x
  3. Step 3: Cross multiply
    497,943.89x = 687,170.76 × 271,589.39
  4. Step 4: Simplify right side
    497,943.89x = 186,628,287,534.24
  5. Step 5: Solve for x
    x = 186,628,287,534.24/497,943.89
  6. Step 6: Final answer
    x = 374,797.83

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1.5x scale

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.