Home / 555,916.87-834,991.28-331,714.94

Finding the Fourth Proportional to 555,916.87, 834,991.28 and 331,714.94

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Solution

The fourth proportional to 555,916.87, 834,991.28 and 331,714.94 is: 498,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,916.87 : 834,991.28 = 331,714.94 : x
  2. Step 2: Convert to fraction form
    555,916.87/834,991.28 = 331,714.94/x
  3. Step 3: Cross multiply
    555,916.87x = 834,991.28 × 331,714.94
  4. Step 4: Simplify right side
    555,916.87x = 276,979,080,687.15
  5. Step 5: Solve for x
    x = 276,979,080,687.15/555,916.87
  6. Step 6: Final answer
    x = 498,238.31

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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.