Home / 791,474.69-1,092,255.03-485,719.94

Finding the Fourth Proportional to 791,474.69, 1,092,255.03 and 485,719.94

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Solution

The fourth proportional to 791,474.69, 1,092,255.03 and 485,719.94 is: 670,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,474.69 : 1,092,255.03 = 485,719.94 : x
  2. Step 2: Convert to fraction form
    791,474.69/1,092,255.03 = 485,719.94/x
  3. Step 3: Cross multiply
    791,474.69x = 1,092,255.03 × 485,719.94
  4. Step 4: Simplify right side
    791,474.69x = 530,530,045,207.70
  5. Step 5: Solve for x
    x = 530,530,045,207.70/791,474.69
  6. Step 6: Final answer
    x = 670,305.76

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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.