Home / 649,894.78-975,321.06-308,339.47

Finding the Fourth Proportional to 649,894.78, 975,321.06 and 308,339.47

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Solution

The fourth proportional to 649,894.78, 975,321.06 and 308,339.47 is: 462,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,894.78 : 975,321.06 = 308,339.47 : x
  2. Step 2: Convert to fraction form
    649,894.78/975,321.06 = 308,339.47/x
  3. Step 3: Cross multiply
    649,894.78x = 975,321.06 × 308,339.47
  4. Step 4: Simplify right side
    649,894.78x = 300,729,978,720.24
  5. Step 5: Solve for x
    x = 300,729,978,720.24/649,894.78
  6. Step 6: Final answer
    x = 462,736.41

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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.