Home / 834,905.78-1,251,579.55-329,470.94

Finding the Fourth Proportional to 834,905.78, 1,251,579.55 and 329,470.94

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Solution

The fourth proportional to 834,905.78, 1,251,579.55 and 329,470.94 is: 493,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,905.78 : 1,251,579.55 = 329,470.94 : x
  2. Step 2: Convert to fraction form
    834,905.78/1,251,579.55 = 329,470.94/x
  3. Step 3: Cross multiply
    834,905.78x = 1,251,579.55 × 329,470.94
  4. Step 4: Simplify right side
    834,905.78x = 412,359,093,746.31
  5. Step 5: Solve for x
    x = 412,359,093,746.31/834,905.78
  6. Step 6: Final answer
    x = 493,898.96

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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.