Home / 881,021.29-1,215,711.87-488,544.38

Finding the Fourth Proportional to 881,021.29, 1,215,711.87 and 488,544.38

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Solution

The fourth proportional to 881,021.29, 1,215,711.87 and 488,544.38 is: 674,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,021.29 : 1,215,711.87 = 488,544.38 : x
  2. Step 2: Convert to fraction form
    881,021.29/1,215,711.87 = 488,544.38/x
  3. Step 3: Cross multiply
    881,021.29x = 1,215,711.87 × 488,544.38
  4. Step 4: Simplify right side
    881,021.29x = 593,929,201,787.79
  5. Step 5: Solve for x
    x = 593,929,201,787.79/881,021.29
  6. Step 6: Final answer
    x = 674,137.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.