Home / 821,091.48-1,133,104-458,512.39

Finding the Fourth Proportional to 821,091.48, 1,133,104 and 458,512.39

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Solution

The fourth proportional to 821,091.48, 1,133,104 and 458,512.39 is: 632,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,091.48 : 1,133,104 = 458,512.39 : x
  2. Step 2: Convert to fraction form
    821,091.48/1,133,104 = 458,512.39/x
  3. Step 3: Cross multiply
    821,091.48x = 1,133,104 × 458,512.39
  4. Step 4: Simplify right side
    821,091.48x = 519,542,223,158.56
  5. Step 5: Solve for x
    x = 519,542,223,158.56/821,091.48
  6. Step 6: Final answer
    x = 632,745.85

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1.5x scale

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.