Home / 649,242-973,556.46-379,447.50

Finding the Fourth Proportional to 649,242, 973,556.46 and 379,447.50

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Solution

The fourth proportional to 649,242, 973,556.46 and 379,447.50 is: 568,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,242 : 973,556.46 = 379,447.50 : x
  2. Step 2: Convert to fraction form
    649,242/973,556.46 = 379,447.50/x
  3. Step 3: Cross multiply
    649,242x = 973,556.46 × 379,447.50
  4. Step 4: Simplify right side
    649,242x = 369,413,564,855.85
  5. Step 5: Solve for x
    x = 369,413,564,855.85/649,242
  6. Step 6: Final answer
    x = 568,992.09

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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.