Home / 988,181.79-1,482,360.21-278,215.98

Finding the Fourth Proportional to 988,181.79, 1,482,360.21 and 278,215.98

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Solution

The fourth proportional to 988,181.79, 1,482,360.21 and 278,215.98 is: 417,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,181.79 : 1,482,360.21 = 278,215.98 : x
  2. Step 2: Convert to fraction form
    988,181.79/1,482,360.21 = 278,215.98/x
  3. Step 3: Cross multiply
    988,181.79x = 1,482,360.21 × 278,215.98
  4. Step 4: Simplify right side
    988,181.79x = 412,416,298,538.16
  5. Step 5: Solve for x
    x = 412,416,298,538.16/988,181.79
  6. Step 6: Final answer
    x = 417,348.61

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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.