Home / 644,366.29-966,179.04-265,548.55

Finding the Fourth Proportional to 644,366.29, 966,179.04 and 265,548.55

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Solution

The fourth proportional to 644,366.29, 966,179.04 and 265,548.55 is: 398,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,366.29 : 966,179.04 = 265,548.55 : x
  2. Step 2: Convert to fraction form
    644,366.29/966,179.04 = 265,548.55/x
  3. Step 3: Cross multiply
    644,366.29x = 966,179.04 × 265,548.55
  4. Step 4: Simplify right side
    644,366.29x = 256,567,443,112.39
  5. Step 5: Solve for x
    x = 256,567,443,112.39/644,366.29
  6. Step 6: Final answer
    x = 398,170.18

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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.