Home / 644,364.54-966,176.42-265,546.80

Finding the Fourth Proportional to 644,364.54, 966,176.42 and 265,546.80

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Solution

The fourth proportional to 644,364.54, 966,176.42 and 265,546.80 is: 398,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,364.54 : 966,176.42 = 265,546.80 : x
  2. Step 2: Convert to fraction form
    644,364.54/966,176.42 = 265,546.80/x
  3. Step 3: Cross multiply
    644,364.54x = 966,176.42 × 265,546.80
  4. Step 4: Simplify right side
    644,364.54x = 256,565,055,238.72
  5. Step 5: Solve for x
    x = 256,565,055,238.72/644,364.54
  6. Step 6: Final answer
    x = 398,167.56

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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.