Home / 816,226.40-1,224,512.40-247,560.80

Finding the Fourth Proportional to 816,226.40, 1,224,512.40 and 247,560.80

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Solution

The fourth proportional to 816,226.40, 1,224,512.40 and 247,560.80 is: 371,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,226.40 : 1,224,512.40 = 247,560.80 : x
  2. Step 2: Convert to fraction form
    816,226.40/1,224,512.40 = 247,560.80/x
  3. Step 3: Cross multiply
    816,226.40x = 1,224,512.40 × 247,560.80
  4. Step 4: Simplify right side
    816,226.40x = 303,141,269,353.92
  5. Step 5: Solve for x
    x = 303,141,269,353.92/816,226.40
  6. Step 6: Final answer
    x = 371,393.61

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1.5x scale

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.