Home / 413,210.28-620,147.52-213,589.14

Finding the Fourth Proportional to 413,210.28, 620,147.52 and 213,589.14

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Solution

The fourth proportional to 413,210.28, 620,147.52 and 213,589.14 is: 320,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,210.28 : 620,147.52 = 213,589.14 : x
  2. Step 2: Convert to fraction form
    413,210.28/620,147.52 = 213,589.14/x
  3. Step 3: Cross multiply
    413,210.28x = 620,147.52 × 213,589.14
  4. Step 4: Simplify right side
    413,210.28x = 132,456,775,469.93
  5. Step 5: Solve for x
    x = 132,456,775,469.93/413,210.28
  6. Step 6: Final answer
    x = 320,555.37

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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.