Home / 988,182.29-1,482,360.96-278,216.48

Finding the Fourth Proportional to 988,182.29, 1,482,360.96 and 278,216.48

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Solution

The fourth proportional to 988,182.29, 1,482,360.96 and 278,216.48 is: 417,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,182.29 : 1,482,360.96 = 278,216.48 : x
  2. Step 2: Convert to fraction form
    988,182.29/1,482,360.96 = 278,216.48/x
  3. Step 3: Cross multiply
    988,182.29x = 1,482,360.96 × 278,216.48
  4. Step 4: Simplify right side
    988,182.29x = 412,417,248,380.62
  5. Step 5: Solve for x
    x = 412,417,248,380.62/988,182.29
  6. Step 6: Final answer
    x = 417,349.36

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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.