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Finding the Fourth Proportional to 501,253.25, 750,790.75 and 308,540.27

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Solution

The fourth proportional to 501,253.25, 750,790.75 and 308,540.27 is: 462,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,253.25 : 750,790.75 = 308,540.27 : x
  2. Step 2: Convert to fraction form
    501,253.25/750,790.75 = 308,540.27/x
  3. Step 3: Cross multiply
    501,253.25x = 750,790.75 × 308,540.27
  4. Step 4: Simplify right side
    501,253.25x = 231,649,181,534.87
  5. Step 5: Solve for x
    x = 231,649,181,534.87/501,253.25
  6. Step 6: Final answer
    x = 462,140.01

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Similar ratio
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1.5x scale

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.