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Finding the Fourth Proportional to 647,529.17, 970,739.87 and 248,456.34

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Solution

The fourth proportional to 647,529.17, 970,739.87 and 248,456.34 is: 372,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,529.17 : 970,739.87 = 248,456.34 : x
  2. Step 2: Convert to fraction form
    647,529.17/970,739.87 = 248,456.34/x
  3. Step 3: Cross multiply
    647,529.17x = 970,739.87 × 248,456.34
  4. Step 4: Simplify right side
    647,529.17x = 241,186,473,949.99
  5. Step 5: Solve for x
    x = 241,186,473,949.99/647,529.17
  6. Step 6: Final answer
    x = 372,471.99

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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.