Home / 980,542.40-1,470,898.38-270,570.47

Finding the Fourth Proportional to 980,542.40, 1,470,898.38 and 270,570.47

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Solution

The fourth proportional to 980,542.40, 1,470,898.38 and 270,570.47 is: 405,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,542.40 : 1,470,898.38 = 270,570.47 : x
  2. Step 2: Convert to fraction form
    980,542.40/1,470,898.38 = 270,570.47/x
  3. Step 3: Cross multiply
    980,542.40x = 1,470,898.38 × 270,570.47
  4. Step 4: Simplify right side
    980,542.40x = 397,981,665,998.84
  5. Step 5: Solve for x
    x = 397,981,665,998.84/980,542.40
  6. Step 6: Final answer
    x = 405,879.10

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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.