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Finding the Fourth Proportional to 647,522.06, 970,729.16 and 248,449.23

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Solution

The fourth proportional to 647,522.06, 970,729.16 and 248,449.23 is: 372,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,522.06 : 970,729.16 = 248,449.23 : x
  2. Step 2: Convert to fraction form
    647,522.06/970,729.16 = 248,449.23/x
  3. Step 3: Cross multiply
    647,522.06x = 970,729.16 × 248,449.23
  4. Step 4: Simplify right side
    647,522.06x = 241,176,911,098.30
  5. Step 5: Solve for x
    x = 241,176,911,098.30/647,522.06
  6. Step 6: Final answer
    x = 372,461.31

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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.