Home / 610,844.87-843,012.18-338,964.21

Finding the Fourth Proportional to 610,844.87, 843,012.18 and 338,964.21

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Solution

The fourth proportional to 610,844.87, 843,012.18 and 338,964.21 is: 467,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,844.87 : 843,012.18 = 338,964.21 : x
  2. Step 2: Convert to fraction form
    610,844.87/843,012.18 = 338,964.21/x
  3. Step 3: Cross multiply
    610,844.87x = 843,012.18 × 338,964.21
  4. Step 4: Simplify right side
    610,844.87x = 285,750,957,614.08
  5. Step 5: Solve for x
    x = 285,750,957,614.08/610,844.87
  6. Step 6: Final answer
    x = 467,796.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.