Home / 812,014.47-1,120,481.59-467,963.22

Finding the Fourth Proportional to 812,014.47, 1,120,481.59 and 467,963.22

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Solution

The fourth proportional to 812,014.47, 1,120,481.59 and 467,963.22 is: 645,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,014.47 : 1,120,481.59 = 467,963.22 : x
  2. Step 2: Convert to fraction form
    812,014.47/1,120,481.59 = 467,963.22/x
  3. Step 3: Cross multiply
    812,014.47x = 1,120,481.59 × 467,963.22
  4. Step 4: Simplify right side
    812,014.47x = 524,344,170,467.30
  5. Step 5: Solve for x
    x = 524,344,170,467.30/812,014.47
  6. Step 6: Final answer
    x = 645,732.55

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1.5x scale

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.