Home / 818,810.37-1,228,046.13-219,629.07

Finding the Fourth Proportional to 818,810.37, 1,228,046.13 and 219,629.07

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Solution

The fourth proportional to 818,810.37, 1,228,046.13 and 219,629.07 is: 329,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,810.37 : 1,228,046.13 = 219,629.07 : x
  2. Step 2: Convert to fraction form
    818,810.37/1,228,046.13 = 219,629.07/x
  3. Step 3: Cross multiply
    818,810.37x = 1,228,046.13 × 219,629.07
  4. Step 4: Simplify right side
    818,810.37x = 269,714,629,449.00
  5. Step 5: Solve for x
    x = 269,714,629,449.00/818,810.37
  6. Step 6: Final answer
    x = 329,398.16

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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.