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Finding the Fourth Proportional to 650,608.80, 975,864.60 and 271,431.60

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Solution

The fourth proportional to 650,608.80, 975,864.60 and 271,431.60 is: 407,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,608.80 : 975,864.60 = 271,431.60 : x
  2. Step 2: Convert to fraction form
    650,608.80/975,864.60 = 271,431.60/x
  3. Step 3: Cross multiply
    650,608.80x = 975,864.60 × 271,431.60
  4. Step 4: Simplify right side
    650,608.80x = 264,880,489,761.36
  5. Step 5: Solve for x
    x = 264,880,489,761.36/650,608.80
  6. Step 6: Final answer
    x = 407,127.12

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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.