Home / 718,227.37-1,077,760.20-398,647.44

Finding the Fourth Proportional to 718,227.37, 1,077,760.20 and 398,647.44

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Solution

The fourth proportional to 718,227.37, 1,077,760.20 and 398,647.44 is: 598,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,227.37 : 1,077,760.20 = 398,647.44 : x
  2. Step 2: Convert to fraction form
    718,227.37/1,077,760.20 = 398,647.44/x
  3. Step 3: Cross multiply
    718,227.37x = 1,077,760.20 × 398,647.44
  4. Step 4: Simplify right side
    718,227.37x = 429,646,344,663.89
  5. Step 5: Solve for x
    x = 429,646,344,663.89/718,227.37
  6. Step 6: Final answer
    x = 598,203.80

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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.