Home / 771,910.70-1,062,858.92-685,720.22

Finding the Fourth Proportional to 771,910.70, 1,062,858.92 and 685,720.22

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Solution

The fourth proportional to 771,910.70, 1,062,858.92 and 685,720.22 is: 944,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,910.70 : 1,062,858.92 = 685,720.22 : x
  2. Step 2: Convert to fraction form
    771,910.70/1,062,858.92 = 685,720.22/x
  3. Step 3: Cross multiply
    771,910.70x = 1,062,858.92 × 685,720.22
  4. Step 4: Simplify right side
    771,910.70x = 728,823,843,708.47
  5. Step 5: Solve for x
    x = 728,823,843,708.47/771,910.70
  6. Step 6: Final answer
    x = 944,181.56

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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.