Home / 988,059.60-1,482,089.92-278,087.64

Finding the Fourth Proportional to 988,059.60, 1,482,089.92 and 278,087.64

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Solution

The fourth proportional to 988,059.60, 1,482,089.92 and 278,087.64 is: 417,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,059.60 : 1,482,089.92 = 278,087.64 : x
  2. Step 2: Convert to fraction form
    988,059.60/1,482,089.92 = 278,087.64/x
  3. Step 3: Cross multiply
    988,059.60x = 1,482,089.92 × 278,087.64
  4. Step 4: Simplify right side
    988,059.60x = 412,150,892,679.55
  5. Step 5: Solve for x
    x = 412,150,892,679.55/988,059.60
  6. Step 6: Final answer
    x = 417,131.61

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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.