Home / 749,301.50-1,123,656.39-299,938.61

Finding the Fourth Proportional to 749,301.50, 1,123,656.39 and 299,938.61

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Solution

The fourth proportional to 749,301.50, 1,123,656.39 and 299,938.61 is: 449,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,301.50 : 1,123,656.39 = 299,938.61 : x
  2. Step 2: Convert to fraction form
    749,301.50/1,123,656.39 = 299,938.61/x
  3. Step 3: Cross multiply
    749,301.50x = 1,123,656.39 × 299,938.61
  4. Step 4: Simplify right side
    749,301.50x = 337,027,935,734.22
  5. Step 5: Solve for x
    x = 337,027,935,734.22/749,301.50
  6. Step 6: Final answer
    x = 449,789.48

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1.5x scale

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.