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Finding the Fourth Proportional to 608,029.96, 839,164.74 and 349,901.56

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Solution

The fourth proportional to 608,029.96, 839,164.74 and 349,901.56 is: 482,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,029.96 : 839,164.74 = 349,901.56 : x
  2. Step 2: Convert to fraction form
    608,029.96/839,164.74 = 349,901.56/x
  3. Step 3: Cross multiply
    608,029.96x = 839,164.74 × 349,901.56
  4. Step 4: Simplify right side
    608,029.96x = 293,625,051,622.99
  5. Step 5: Solve for x
    x = 293,625,051,622.99/608,029.96
  6. Step 6: Final answer
    x = 482,912.14

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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.