Home / 818,798.56-1,228,028.45-219,617.16

Finding the Fourth Proportional to 818,798.56, 1,228,028.45 and 219,617.16

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Solution

The fourth proportional to 818,798.56, 1,228,028.45 and 219,617.16 is: 329,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,798.56 : 1,228,028.45 = 219,617.16 : x
  2. Step 2: Convert to fraction form
    818,798.56/1,228,028.45 = 219,617.16/x
  3. Step 3: Cross multiply
    818,798.56x = 1,228,028.45 × 219,617.16
  4. Step 4: Simplify right side
    818,798.56x = 269,696,114,885.01
  5. Step 5: Solve for x
    x = 269,696,114,885.01/818,798.56
  6. Step 6: Final answer
    x = 329,380.30

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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.