Home / 410,915.28-567,020.84-281,964.36

Finding the Fourth Proportional to 410,915.28, 567,020.84 and 281,964.36

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Solution

The fourth proportional to 410,915.28, 567,020.84 and 281,964.36 is: 389,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,915.28 : 567,020.84 = 281,964.36 : x
  2. Step 2: Convert to fraction form
    410,915.28/567,020.84 = 281,964.36/x
  3. Step 3: Cross multiply
    410,915.28x = 567,020.84 × 281,964.36
  4. Step 4: Simplify right side
    410,915.28x = 159,879,668,257.26
  5. Step 5: Solve for x
    x = 159,879,668,257.26/410,915.28
  6. Step 6: Final answer
    x = 389,081.83

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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.