Home / 823,238.28-1,233,956.60-423,903.02

Finding the Fourth Proportional to 823,238.28, 1,233,956.60 and 423,903.02

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Solution

The fourth proportional to 823,238.28, 1,233,956.60 and 423,903.02 is: 635,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,238.28 : 1,233,956.60 = 423,903.02 : x
  2. Step 2: Convert to fraction form
    823,238.28/1,233,956.60 = 423,903.02/x
  3. Step 3: Cross multiply
    823,238.28x = 1,233,956.60 × 423,903.02
  4. Step 4: Simplify right side
    823,238.28x = 523,077,929,288.93
  5. Step 5: Solve for x
    x = 523,077,929,288.93/823,238.28
  6. Step 6: Final answer
    x = 635,390.68

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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.