Home / 590,589.28-815,001.84-322,319.20

Finding the Fourth Proportional to 590,589.28, 815,001.84 and 322,319.20

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Solution

The fourth proportional to 590,589.28, 815,001.84 and 322,319.20 is: 444,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,589.28 : 815,001.84 = 322,319.20 : x
  2. Step 2: Convert to fraction form
    590,589.28/815,001.84 = 322,319.20/x
  3. Step 3: Cross multiply
    590,589.28x = 815,001.84 × 322,319.20
  4. Step 4: Simplify right side
    590,589.28x = 262,690,741,067.33
  5. Step 5: Solve for x
    x = 262,690,741,067.33/590,589.28
  6. Step 6: Final answer
    x = 444,794.29

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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.