Home / 678,508.16-1,017,647.04-179,922.56

Finding the Fourth Proportional to 678,508.16, 1,017,647.04 and 179,922.56

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Solution

The fourth proportional to 678,508.16, 1,017,647.04 and 179,922.56 is: 269,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,508.16 : 1,017,647.04 = 179,922.56 : x
  2. Step 2: Convert to fraction form
    678,508.16/1,017,647.04 = 179,922.56/x
  3. Step 3: Cross multiply
    678,508.16x = 1,017,647.04 × 179,922.56
  4. Step 4: Simplify right side
    678,508.16x = 183,097,660,613.22
  5. Step 5: Solve for x
    x = 183,097,660,613.22/678,508.16
  6. Step 6: Final answer
    x = 269,853.29

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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.