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Finding the Fourth Proportional to 542,160.44, 748,197.82 and 300,420.39

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Solution

The fourth proportional to 542,160.44, 748,197.82 and 300,420.39 is: 414,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,160.44 : 748,197.82 = 300,420.39 : x
  2. Step 2: Convert to fraction form
    542,160.44/748,197.82 = 300,420.39/x
  3. Step 3: Cross multiply
    542,160.44x = 748,197.82 × 300,420.39
  4. Step 4: Simplify right side
    542,160.44x = 224,773,880,881.55
  5. Step 5: Solve for x
    x = 224,773,880,881.55/542,160.44
  6. Step 6: Final answer
    x = 414,589.23

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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.