Home / 823,235.28-1,233,952.11-423,900.02

Finding the Fourth Proportional to 823,235.28, 1,233,952.11 and 423,900.02

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Solution

The fourth proportional to 823,235.28, 1,233,952.11 and 423,900.02 is: 635,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,235.28 : 1,233,952.11 = 423,900.02 : x
  2. Step 2: Convert to fraction form
    823,235.28/1,233,952.11 = 423,900.02/x
  3. Step 3: Cross multiply
    823,235.28x = 1,233,952.11 × 423,900.02
  4. Step 4: Simplify right side
    823,235.28x = 523,072,317,938.28
  5. Step 5: Solve for x
    x = 523,072,317,938.28/823,235.28
  6. Step 6: Final answer
    x = 635,386.18

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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.