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Finding the Fourth Proportional to 1,479.46, 2,220.04 and 601.78

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Solution

The fourth proportional to 1,479.46, 2,220.04 and 601.78 is: 903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.46 : 2,220.04 = 601.78 : x
  2. Step 2: Convert to fraction form
    1,479.46/2,220.04 = 601.78/x
  3. Step 3: Cross multiply
    1,479.46x = 2,220.04 × 601.78
  4. Step 4: Simplify right side
    1,479.46x = 1,335,975.67
  5. Step 5: Solve for x
    x = 1,335,975.67/1,479.46
  6. Step 6: Final answer
    x = 903.02

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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.