Home / 555,890.34-834,951.16-331,688.28

Finding the Fourth Proportional to 555,890.34, 834,951.16 and 331,688.28

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Solution

The fourth proportional to 555,890.34, 834,951.16 and 331,688.28 is: 498,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,890.34 : 834,951.16 = 331,688.28 : x
  2. Step 2: Convert to fraction form
    555,890.34/834,951.16 = 331,688.28/x
  3. Step 3: Cross multiply
    555,890.34x = 834,951.16 × 331,688.28
  4. Step 4: Simplify right side
    555,890.34x = 276,943,514,144.41
  5. Step 5: Solve for x
    x = 276,943,514,144.41/555,890.34
  6. Step 6: Final answer
    x = 498,198.11

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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.