Home / 987,973.56-1,482,081.54-278,002.29

Finding the Fourth Proportional to 987,973.56, 1,482,081.54 and 278,002.29

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Solution

The fourth proportional to 987,973.56, 1,482,081.54 and 278,002.29 is: 417,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,973.56 : 1,482,081.54 = 278,002.29 : x
  2. Step 2: Convert to fraction form
    987,973.56/1,482,081.54 = 278,002.29/x
  3. Step 3: Cross multiply
    987,973.56x = 1,482,081.54 × 278,002.29
  4. Step 4: Simplify right side
    987,973.56x = 412,022,062,086.73
  5. Step 5: Solve for x
    x = 412,022,062,086.73/987,973.56
  6. Step 6: Final answer
    x = 417,037.54

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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.