Home / 988,222.68-1,482,358.59-278,245.89

Finding the Fourth Proportional to 988,222.68, 1,482,358.59 and 278,245.89

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Solution

The fourth proportional to 988,222.68, 1,482,358.59 and 278,245.89 is: 417,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,222.68 : 1,482,358.59 = 278,245.89 : x
  2. Step 2: Convert to fraction form
    988,222.68/1,482,358.59 = 278,245.89/x
  3. Step 3: Cross multiply
    988,222.68x = 1,482,358.59 × 278,245.89
  4. Step 4: Simplify right side
    988,222.68x = 412,460,185,173.70
  5. Step 5: Solve for x
    x = 412,460,185,173.70/988,222.68
  6. Step 6: Final answer
    x = 417,375.75

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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.