Home / 862,082.12-1,293,201.09-329,607.76

Finding the Fourth Proportional to 862,082.12, 1,293,201.09 and 329,607.76

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Solution

The fourth proportional to 862,082.12, 1,293,201.09 and 329,607.76 is: 494,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,082.12 : 1,293,201.09 = 329,607.76 : x
  2. Step 2: Convert to fraction form
    862,082.12/1,293,201.09 = 329,607.76/x
  3. Step 3: Cross multiply
    862,082.12x = 1,293,201.09 × 329,607.76
  4. Step 4: Simplify right side
    862,082.12x = 426,249,114,504.46
  5. Step 5: Solve for x
    x = 426,249,114,504.46/862,082.12
  6. Step 6: Final answer
    x = 494,441.43

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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.