Home / 695,222.19-1,042,570.85-320,982.75

Finding the Fourth Proportional to 695,222.19, 1,042,570.85 and 320,982.75

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Solution

The fourth proportional to 695,222.19, 1,042,570.85 and 320,982.75 is: 481,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,222.19 : 1,042,570.85 = 320,982.75 : x
  2. Step 2: Convert to fraction form
    695,222.19/1,042,570.85 = 320,982.75/x
  3. Step 3: Cross multiply
    695,222.19x = 1,042,570.85 × 320,982.75
  4. Step 4: Simplify right side
    695,222.19x = 334,647,256,897.92
  5. Step 5: Solve for x
    x = 334,647,256,897.92/695,222.19
  6. Step 6: Final answer
    x = 481,352.96

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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.