Home / 988,180.29-1,482,357.96-278,214.48

Finding the Fourth Proportional to 988,180.29, 1,482,357.96 and 278,214.48

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Solution

The fourth proportional to 988,180.29, 1,482,357.96 and 278,214.48 is: 417,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,180.29 : 1,482,357.96 = 278,214.48 : x
  2. Step 2: Convert to fraction form
    988,180.29/1,482,357.96 = 278,214.48/x
  3. Step 3: Cross multiply
    988,180.29x = 1,482,357.96 × 278,214.48
  4. Step 4: Simplify right side
    988,180.29x = 412,413,449,015.26
  5. Step 5: Solve for x
    x = 412,413,449,015.26/988,180.29
  6. Step 6: Final answer
    x = 417,346.36

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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.