Home / 816,410.30-1,224,619.35-247,796.33

Finding the Fourth Proportional to 816,410.30, 1,224,619.35 and 247,796.33

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Solution

The fourth proportional to 816,410.30, 1,224,619.35 and 247,796.33 is: 371,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,410.30 : 1,224,619.35 = 247,796.33 : x
  2. Step 2: Convert to fraction form
    816,410.30/1,224,619.35 = 247,796.33/x
  3. Step 3: Cross multiply
    816,410.30x = 1,224,619.35 × 247,796.33
  4. Step 4: Simplify right side
    816,410.30x = 303,456,180,576.99
  5. Step 5: Solve for x
    x = 303,456,180,576.99/816,410.30
  6. Step 6: Final answer
    x = 371,695.68

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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.