Home / 749,135.22-1,123,869.28-349,558.03

Finding the Fourth Proportional to 749,135.22, 1,123,869.28 and 349,558.03

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Solution

The fourth proportional to 749,135.22, 1,123,869.28 and 349,558.03 is: 524,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,135.22 : 1,123,869.28 = 349,558.03 : x
  2. Step 2: Convert to fraction form
    749,135.22/1,123,869.28 = 349,558.03/x
  3. Step 3: Cross multiply
    749,135.22x = 1,123,869.28 × 349,558.03
  4. Step 4: Simplify right side
    749,135.22x = 392,857,531,494.32
  5. Step 5: Solve for x
    x = 392,857,531,494.32/749,135.22
  6. Step 6: Final answer
    x = 524,414.71

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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.