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Finding the Fourth Proportional to 647,543.22, 970,760.82 and 248,470.38

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Solution

The fourth proportional to 647,543.22, 970,760.82 and 248,470.38 is: 372,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,543.22 : 970,760.82 = 248,470.38 : x
  2. Step 2: Convert to fraction form
    647,543.22/970,760.82 = 248,470.38/x
  3. Step 3: Cross multiply
    647,543.22x = 970,760.82 × 248,470.38
  4. Step 4: Simplify right side
    647,543.22x = 241,205,309,834.51
  5. Step 5: Solve for x
    x = 241,205,309,834.51/647,543.22
  6. Step 6: Final answer
    x = 372,492.99

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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.