Home / 391,179.05-539,297.03-334,427.96

Finding the Fourth Proportional to 391,179.05, 539,297.03 and 334,427.96

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Solution

The fourth proportional to 391,179.05, 539,297.03 and 334,427.96 is: 461,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,179.05 : 539,297.03 = 334,427.96 : x
  2. Step 2: Convert to fraction form
    391,179.05/539,297.03 = 334,427.96/x
  3. Step 3: Cross multiply
    391,179.05x = 539,297.03 × 334,427.96
  4. Step 4: Simplify right side
    391,179.05x = 180,356,001,208.33
  5. Step 5: Solve for x
    x = 180,356,001,208.33/391,179.05
  6. Step 6: Final answer
    x = 461,057.41

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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.