Home / 816,219.55-1,224,332.22-247,605.61

Finding the Fourth Proportional to 816,219.55, 1,224,332.22 and 247,605.61

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Solution

The fourth proportional to 816,219.55, 1,224,332.22 and 247,605.61 is: 371,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,219.55 : 1,224,332.22 = 247,605.61 : x
  2. Step 2: Convert to fraction form
    816,219.55/1,224,332.22 = 247,605.61/x
  3. Step 3: Cross multiply
    816,219.55x = 1,224,332.22 × 247,605.61
  4. Step 4: Simplify right side
    816,219.55x = 303,151,526,175.75
  5. Step 5: Solve for x
    x = 303,151,526,175.75/816,219.55
  6. Step 6: Final answer
    x = 371,409.29

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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.