Home / 678,629.16-1,017,993.15-229,200.66

Finding the Fourth Proportional to 678,629.16, 1,017,993.15 and 229,200.66

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Solution

The fourth proportional to 678,629.16, 1,017,993.15 and 229,200.66 is: 343,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,629.16 : 1,017,993.15 = 229,200.66 : x
  2. Step 2: Convert to fraction form
    678,629.16/1,017,993.15 = 229,200.66/x
  3. Step 3: Cross multiply
    678,629.16x = 1,017,993.15 × 229,200.66
  4. Step 4: Simplify right side
    678,629.16x = 233,324,701,855.48
  5. Step 5: Solve for x
    x = 233,324,701,855.48/678,629.16
  6. Step 6: Final answer
    x = 343,817.68

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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.