Home / 749,308.43-1,123,666.79-299,945.54

Finding the Fourth Proportional to 749,308.43, 1,123,666.79 and 299,945.54

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Solution

The fourth proportional to 749,308.43, 1,123,666.79 and 299,945.54 is: 449,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,308.43 : 1,123,666.79 = 299,945.54 : x
  2. Step 2: Convert to fraction form
    749,308.43/1,123,666.79 = 299,945.54/x
  3. Step 3: Cross multiply
    749,308.43x = 1,123,666.79 × 299,945.54
  4. Step 4: Simplify right side
    749,308.43x = 337,038,840,606.89
  5. Step 5: Solve for x
    x = 337,038,840,606.89/749,308.43
  6. Step 6: Final answer
    x = 449,799.88

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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.