Home / 678,379.27-1,017,578.14-251,750.24

Finding the Fourth Proportional to 678,379.27, 1,017,578.14 and 251,750.24

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Solution

The fourth proportional to 678,379.27, 1,017,578.14 and 251,750.24 is: 377,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,379.27 : 1,017,578.14 = 251,750.24 : x
  2. Step 2: Convert to fraction form
    678,379.27/1,017,578.14 = 251,750.24/x
  3. Step 3: Cross multiply
    678,379.27x = 1,017,578.14 × 251,750.24
  4. Step 4: Simplify right side
    678,379.27x = 256,175,542,878.32
  5. Step 5: Solve for x
    x = 256,175,542,878.32/678,379.27
  6. Step 6: Final answer
    x = 377,628.79

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1.5x scale

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.