Home / 862,825.96-1,293,403.02-329,936.68

Finding the Fourth Proportional to 862,825.96, 1,293,403.02 and 329,936.68

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Solution

The fourth proportional to 862,825.96, 1,293,403.02 and 329,936.68 is: 494,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,825.96 : 1,293,403.02 = 329,936.68 : x
  2. Step 2: Convert to fraction form
    862,825.96/1,293,403.02 = 329,936.68/x
  3. Step 3: Cross multiply
    862,825.96x = 1,293,403.02 × 329,936.68
  4. Step 4: Simplify right side
    862,825.96x = 426,741,098,320.77
  5. Step 5: Solve for x
    x = 426,741,098,320.77/862,825.96
  6. Step 6: Final answer
    x = 494,585.37

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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.