Home / 484,426.60-726,899.10-203,972.20

Finding the Fourth Proportional to 484,426.60, 726,899.10 and 203,972.20

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Solution

The fourth proportional to 484,426.60, 726,899.10 and 203,972.20 is: 306,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,426.60 : 726,899.10 = 203,972.20 : x
  2. Step 2: Convert to fraction form
    484,426.60/726,899.10 = 203,972.20/x
  3. Step 3: Cross multiply
    484,426.60x = 726,899.10 × 203,972.20
  4. Step 4: Simplify right side
    484,426.60x = 148,267,208,605.02
  5. Step 5: Solve for x
    x = 148,267,208,605.02/484,426.60
  6. Step 6: Final answer
    x = 306,067.44

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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.