Home / 988,314.82-1,482,496.52-278,338.08

Finding the Fourth Proportional to 988,314.82, 1,482,496.52 and 278,338.08

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Solution

The fourth proportional to 988,314.82, 1,482,496.52 and 278,338.08 is: 417,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,314.82 : 1,482,496.52 = 278,338.08 : x
  2. Step 2: Convert to fraction form
    988,314.82/1,482,496.52 = 278,338.08/x
  3. Step 3: Cross multiply
    988,314.82x = 1,482,496.52 × 278,338.08
  4. Step 4: Simplify right side
    988,314.82x = 412,635,234,983.48
  5. Step 5: Solve for x
    x = 412,635,234,983.48/988,314.82
  6. Step 6: Final answer
    x = 417,513.96

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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.