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Finding the Fourth Proportional to 649,884.41, 975,305.46 and 308,329.08

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Solution

The fourth proportional to 649,884.41, 975,305.46 and 308,329.08 is: 462,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,884.41 : 975,305.46 = 308,329.08 : x
  2. Step 2: Convert to fraction form
    649,884.41/975,305.46 = 308,329.08/x
  3. Step 3: Cross multiply
    649,884.41x = 975,305.46 × 308,329.08
  4. Step 4: Simplify right side
    649,884.41x = 300,715,035,200.78
  5. Step 5: Solve for x
    x = 300,715,035,200.78/649,884.41
  6. Step 6: Final answer
    x = 462,720.81

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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.