Home / 881,428.88-1,322,131.80-216,586.64

Finding the Fourth Proportional to 881,428.88, 1,322,131.80 and 216,586.64

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Solution

The fourth proportional to 881,428.88, 1,322,131.80 and 216,586.64 is: 324,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,428.88 : 1,322,131.80 = 216,586.64 : x
  2. Step 2: Convert to fraction form
    881,428.88/1,322,131.80 = 216,586.64/x
  3. Step 3: Cross multiply
    881,428.88x = 1,322,131.80 × 216,586.64
  4. Step 4: Simplify right side
    881,428.88x = 286,356,084,199.15
  5. Step 5: Solve for x
    x = 286,356,084,199.15/881,428.88
  6. Step 6: Final answer
    x = 324,877.13

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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.