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Finding the Fourth Proportional to 546,614.55, 754,199.73 and 331,749.63

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Solution

The fourth proportional to 546,614.55, 754,199.73 and 331,749.63 is: 457,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,614.55 : 754,199.73 = 331,749.63 : x
  2. Step 2: Convert to fraction form
    546,614.55/754,199.73 = 331,749.63/x
  3. Step 3: Cross multiply
    546,614.55x = 754,199.73 × 331,749.63
  4. Step 4: Simplify right side
    546,614.55x = 250,205,481,373.60
  5. Step 5: Solve for x
    x = 250,205,481,373.60/546,614.55
  6. Step 6: Final answer
    x = 457,736.59

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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.