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Finding the Fourth Proportional to 608,280.56, 839,418.44 and 336,342.49

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Solution

The fourth proportional to 608,280.56, 839,418.44 and 336,342.49 is: 464,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,280.56 : 839,418.44 = 336,342.49 : x
  2. Step 2: Convert to fraction form
    608,280.56/839,418.44 = 336,342.49/x
  3. Step 3: Cross multiply
    608,280.56x = 839,418.44 × 336,342.49
  4. Step 4: Simplify right side
    608,280.56x = 282,332,087,553.62
  5. Step 5: Solve for x
    x = 282,332,087,553.62/608,280.56
  6. Step 6: Final answer
    x = 464,147.81

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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.