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Finding the Fourth Proportional to 542,022.24, 747,996.72 and 300,308.63

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Solution

The fourth proportional to 542,022.24, 747,996.72 and 300,308.63 is: 414,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,022.24 : 747,996.72 = 300,308.63 : x
  2. Step 2: Convert to fraction form
    542,022.24/747,996.72 = 300,308.63/x
  3. Step 3: Cross multiply
    542,022.24x = 747,996.72 × 300,308.63
  4. Step 4: Simplify right side
    542,022.24x = 224,629,865,361.55
  5. Step 5: Solve for x
    x = 224,629,865,361.55/542,022.24
  6. Step 6: Final answer
    x = 414,429.24

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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.