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Finding the Fourth Proportional to 438,241.56, 604,770.72 and 244,638

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Solution

The fourth proportional to 438,241.56, 604,770.72 and 244,638 is: 337,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,241.56 : 604,770.72 = 244,638 : x
  2. Step 2: Convert to fraction form
    438,241.56/604,770.72 = 244,638/x
  3. Step 3: Cross multiply
    438,241.56x = 604,770.72 × 244,638
  4. Step 4: Simplify right side
    438,241.56x = 147,949,899,399.36
  5. Step 5: Solve for x
    x = 147,949,899,399.36/438,241.56
  6. Step 6: Final answer
    x = 337,598.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.