Home / 678,628.99-1,017,942.61-173,189.97

Finding the Fourth Proportional to 678,628.99, 1,017,942.61 and 173,189.97

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Solution

The fourth proportional to 678,628.99, 1,017,942.61 and 173,189.97 is: 259,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,628.99 : 1,017,942.61 = 173,189.97 : x
  2. Step 2: Convert to fraction form
    678,628.99/1,017,942.61 = 173,189.97/x
  3. Step 3: Cross multiply
    678,628.99x = 1,017,942.61 × 173,189.97
  4. Step 4: Simplify right side
    678,628.99x = 176,297,452,842.34
  5. Step 5: Solve for x
    x = 176,297,452,842.34/678,628.99
  6. Step 6: Final answer
    x = 259,784.74

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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.