Home / 843,979.11-1,266,079.85-275,160.47

Finding the Fourth Proportional to 843,979.11, 1,266,079.85 and 275,160.47

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Solution

The fourth proportional to 843,979.11, 1,266,079.85 and 275,160.47 is: 412,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,979.11 : 1,266,079.85 = 275,160.47 : x
  2. Step 2: Convert to fraction form
    843,979.11/1,266,079.85 = 275,160.47/x
  3. Step 3: Cross multiply
    843,979.11x = 1,266,079.85 × 275,160.47
  4. Step 4: Simplify right side
    843,979.11x = 348,375,118,877.33
  5. Step 5: Solve for x
    x = 348,375,118,877.33/843,979.11
  6. Step 6: Final answer
    x = 412,776.95

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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.