Home / 643,677.62-965,601.18-238,814.72

Finding the Fourth Proportional to 643,677.62, 965,601.18 and 238,814.72

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Solution

The fourth proportional to 643,677.62, 965,601.18 and 238,814.72 is: 358,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,677.62 : 965,601.18 = 238,814.72 : x
  2. Step 2: Convert to fraction form
    643,677.62/965,601.18 = 238,814.72/x
  3. Step 3: Cross multiply
    643,677.62x = 965,601.18 × 238,814.72
  4. Step 4: Simplify right side
    643,677.62x = 230,599,775,433.37
  5. Step 5: Solve for x
    x = 230,599,775,433.37/643,677.62
  6. Step 6: Final answer
    x = 358,253.52

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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.