Home / 836,021.75-1,253,711.73-355,945.18

Finding the Fourth Proportional to 836,021.75, 1,253,711.73 and 355,945.18

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Solution

The fourth proportional to 836,021.75, 1,253,711.73 and 355,945.18 is: 533,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,021.75 : 1,253,711.73 = 355,945.18 : x
  2. Step 2: Convert to fraction form
    836,021.75/1,253,711.73 = 355,945.18/x
  3. Step 3: Cross multiply
    836,021.75x = 1,253,711.73 × 355,945.18
  4. Step 4: Simplify right side
    836,021.75x = 446,252,644,268.68
  5. Step 5: Solve for x
    x = 446,252,644,268.68/836,021.75
  6. Step 6: Final answer
    x = 533,781.14

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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.