Home / 821,660.60-1,232,606.10-322,908.60

Finding the Fourth Proportional to 821,660.60, 1,232,606.10 and 322,908.60

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Solution

The fourth proportional to 821,660.60, 1,232,606.10 and 322,908.60 is: 484,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,660.60 : 1,232,606.10 = 322,908.60 : x
  2. Step 2: Convert to fraction form
    821,660.60/1,232,606.10 = 322,908.60/x
  3. Step 3: Cross multiply
    821,660.60x = 1,232,606.10 × 322,908.60
  4. Step 4: Simplify right side
    821,660.60x = 398,019,110,102.46
  5. Step 5: Solve for x
    x = 398,019,110,102.46/821,660.60
  6. Step 6: Final answer
    x = 484,408.17

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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.