Home / 816,233.85-1,224,558.27-479,558.97

Finding the Fourth Proportional to 816,233.85, 1,224,558.27 and 479,558.97

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Solution

The fourth proportional to 816,233.85, 1,224,558.27 and 479,558.97 is: 719,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,233.85 : 1,224,558.27 = 479,558.97 : x
  2. Step 2: Convert to fraction form
    816,233.85/1,224,558.27 = 479,558.97/x
  3. Step 3: Cross multiply
    816,233.85x = 1,224,558.27 × 479,558.97
  4. Step 4: Simplify right side
    816,233.85x = 587,247,902,666.18
  5. Step 5: Solve for x
    x = 587,247,902,666.18/816,233.85
  6. Step 6: Final answer
    x = 719,460.36

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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.