Home / 980,542.90-1,470,899.13-270,570.97

Finding the Fourth Proportional to 980,542.90, 1,470,899.13 and 270,570.97

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Solution

The fourth proportional to 980,542.90, 1,470,899.13 and 270,570.97 is: 405,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,542.90 : 1,470,899.13 = 270,570.97 : x
  2. Step 2: Convert to fraction form
    980,542.90/1,470,899.13 = 270,570.97/x
  3. Step 3: Cross multiply
    980,542.90x = 1,470,899.13 × 270,570.97
  4. Step 4: Simplify right side
    980,542.90x = 397,982,604,376.26
  5. Step 5: Solve for x
    x = 397,982,604,376.26/980,542.90
  6. Step 6: Final answer
    x = 405,879.85

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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.