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Finding the Fourth Proportional to 748,666, 1,122,325.08 and 275,250.16

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Solution

The fourth proportional to 748,666, 1,122,325.08 and 275,250.16 is: 412,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,666 : 1,122,325.08 = 275,250.16 : x
  2. Step 2: Convert to fraction form
    748,666/1,122,325.08 = 275,250.16/x
  3. Step 3: Cross multiply
    748,666x = 1,122,325.08 × 275,250.16
  4. Step 4: Simplify right side
    748,666x = 308,920,157,842.01
  5. Step 5: Solve for x
    x = 308,920,157,842.01/748,666
  6. Step 6: Final answer
    x = 412,627.47

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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.