Home / 741,039.89-1,022,500.47-414,358.79

Finding the Fourth Proportional to 741,039.89, 1,022,500.47 and 414,358.79

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Solution

The fourth proportional to 741,039.89, 1,022,500.47 and 414,358.79 is: 571,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,039.89 : 1,022,500.47 = 414,358.79 : x
  2. Step 2: Convert to fraction form
    741,039.89/1,022,500.47 = 414,358.79/x
  3. Step 3: Cross multiply
    741,039.89x = 1,022,500.47 × 414,358.79
  4. Step 4: Simplify right side
    741,039.89x = 423,682,057,523.63
  5. Step 5: Solve for x
    x = 423,682,057,523.63/741,039.89
  6. Step 6: Final answer
    x = 571,739.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.