Home / 756,997.31-1,044,621.15-434,480.42

Finding the Fourth Proportional to 756,997.31, 1,044,621.15 and 434,480.42

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Solution

The fourth proportional to 756,997.31, 1,044,621.15 and 434,480.42 is: 599,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,997.31 : 1,044,621.15 = 434,480.42 : x
  2. Step 2: Convert to fraction form
    756,997.31/1,044,621.15 = 434,480.42/x
  3. Step 3: Cross multiply
    756,997.31x = 1,044,621.15 × 434,480.42
  4. Step 4: Simplify right side
    756,997.31x = 453,867,435,992.88
  5. Step 5: Solve for x
    x = 453,867,435,992.88/756,997.31
  6. Step 6: Final answer
    x = 599,562.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.