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Finding the Fourth Proportional to 748,662, 1,122,319.08 and 275,246.16

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Solution

The fourth proportional to 748,662, 1,122,319.08 and 275,246.16 is: 412,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,662 : 1,122,319.08 = 275,246.16 : x
  2. Step 2: Convert to fraction form
    748,662/1,122,319.08 = 275,246.16/x
  3. Step 3: Cross multiply
    748,662x = 1,122,319.08 × 275,246.16
  4. Step 4: Simplify right side
    748,662x = 308,914,017,064.73
  5. Step 5: Solve for x
    x = 308,914,017,064.73/748,662
  6. Step 6: Final answer
    x = 412,621.47

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1.5x scale

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.