Home / 663,985.44-916,291.92-362,172.96

Finding the Fourth Proportional to 663,985.44, 916,291.92 and 362,172.96

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Solution

The fourth proportional to 663,985.44, 916,291.92 and 362,172.96 is: 499,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,985.44 : 916,291.92 = 362,172.96 : x
  2. Step 2: Convert to fraction form
    663,985.44/916,291.92 = 362,172.96/x
  3. Step 3: Cross multiply
    663,985.44x = 916,291.92 × 362,172.96
  4. Step 4: Simplify right side
    663,985.44x = 331,856,156,890.48
  5. Step 5: Solve for x
    x = 331,856,156,890.48/663,985.44
  6. Step 6: Final answer
    x = 499,794.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.