Home / 513,944.70-769,794.33-213,514.38

Finding the Fourth Proportional to 513,944.70, 769,794.33 and 213,514.38

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Solution

The fourth proportional to 513,944.70, 769,794.33 and 213,514.38 is: 319,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,944.70 : 769,794.33 = 213,514.38 : x
  2. Step 2: Convert to fraction form
    513,944.70/769,794.33 = 213,514.38/x
  3. Step 3: Cross multiply
    513,944.70x = 769,794.33 × 213,514.38
  4. Step 4: Simplify right side
    513,944.70x = 164,362,159,097.47
  5. Step 5: Solve for x
    x = 164,362,159,097.47/513,944.70
  6. Step 6: Final answer
    x = 319,805.14

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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.