Home / 741,989.86-1,112,816.56-376,881.34

Finding the Fourth Proportional to 741,989.86, 1,112,816.56 and 376,881.34

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Solution

The fourth proportional to 741,989.86, 1,112,816.56 and 376,881.34 is: 565,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,989.86 : 1,112,816.56 = 376,881.34 : x
  2. Step 2: Convert to fraction form
    741,989.86/1,112,816.56 = 376,881.34/x
  3. Step 3: Cross multiply
    741,989.86x = 1,112,816.56 × 376,881.34
  4. Step 4: Simplify right side
    741,989.86x = 419,399,796,306.99
  5. Step 5: Solve for x
    x = 419,399,796,306.99/741,989.86
  6. Step 6: Final answer
    x = 565,236.56

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Double scale
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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.