Home / 481,028.40-721,888.20-200,746.80

Finding the Fourth Proportional to 481,028.40, 721,888.20 and 200,746.80

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Solution

The fourth proportional to 481,028.40, 721,888.20 and 200,746.80 is: 301,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,028.40 : 721,888.20 = 200,746.80 : x
  2. Step 2: Convert to fraction form
    481,028.40/721,888.20 = 200,746.80/x
  3. Step 3: Cross multiply
    481,028.40x = 721,888.20 × 200,746.80
  4. Step 4: Simplify right side
    481,028.40x = 144,916,746,107.76
  5. Step 5: Solve for x
    x = 144,916,746,107.76/481,028.40
  6. Step 6: Final answer
    x = 301,264.43

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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.