Home / 876,768.57-1,315,227.42-308,100.60

Finding the Fourth Proportional to 876,768.57, 1,315,227.42 and 308,100.60

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Solution

The fourth proportional to 876,768.57, 1,315,227.42 and 308,100.60 is: 462,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,768.57 : 1,315,227.42 = 308,100.60 : x
  2. Step 2: Convert to fraction form
    876,768.57/1,315,227.42 = 308,100.60/x
  3. Step 3: Cross multiply
    876,768.57x = 1,315,227.42 × 308,100.60
  4. Step 4: Simplify right side
    876,768.57x = 405,222,357,238.45
  5. Step 5: Solve for x
    x = 405,222,357,238.45/876,768.57
  6. Step 6: Final answer
    x = 462,177.10

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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.