Home / 589,040.70-884,217.15-323,320.20

Finding the Fourth Proportional to 589,040.70, 884,217.15 and 323,320.20

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Solution

The fourth proportional to 589,040.70, 884,217.15 and 323,320.20 is: 485,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,040.70 : 884,217.15 = 323,320.20 : x
  2. Step 2: Convert to fraction form
    589,040.70/884,217.15 = 323,320.20/x
  3. Step 3: Cross multiply
    589,040.70x = 884,217.15 × 323,320.20
  4. Step 4: Simplify right side
    589,040.70x = 285,885,265,781.43
  5. Step 5: Solve for x
    x = 285,885,265,781.43/589,040.70
  6. Step 6: Final answer
    x = 485,340.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.