Home / 480,086.27-720,323.06-213,664.57

Finding the Fourth Proportional to 480,086.27, 720,323.06 and 213,664.57

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Solution

The fourth proportional to 480,086.27, 720,323.06 and 213,664.57 is: 320,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,086.27 : 720,323.06 = 213,664.57 : x
  2. Step 2: Convert to fraction form
    480,086.27/720,323.06 = 213,664.57/x
  3. Step 3: Cross multiply
    480,086.27x = 720,323.06 × 213,664.57
  4. Step 4: Simplify right side
    480,086.27x = 153,907,514,006.85
  5. Step 5: Solve for x
    x = 153,907,514,006.85/480,086.27
  6. Step 6: Final answer
    x = 320,583.03

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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.