Home / 678,067.98-1,017,661.48-341,204.38

Finding the Fourth Proportional to 678,067.98, 1,017,661.48 and 341,204.38

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Solution

The fourth proportional to 678,067.98, 1,017,661.48 and 341,204.38 is: 512,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,067.98 : 1,017,661.48 = 341,204.38 : x
  2. Step 2: Convert to fraction form
    678,067.98/1,017,661.48 = 341,204.38/x
  3. Step 3: Cross multiply
    678,067.98x = 1,017,661.48 × 341,204.38
  4. Step 4: Simplify right side
    678,067.98x = 347,230,554,333.28
  5. Step 5: Solve for x
    x = 347,230,554,333.28/678,067.98
  6. Step 6: Final answer
    x = 512,088.12

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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.