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Finding the Fourth Proportional to 608,175.06, 839,279.48 and 339,903.06

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Solution

The fourth proportional to 608,175.06, 839,279.48 and 339,903.06 is: 469,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,175.06 : 839,279.48 = 339,903.06 : x
  2. Step 2: Convert to fraction form
    608,175.06/839,279.48 = 339,903.06/x
  3. Step 3: Cross multiply
    608,175.06x = 839,279.48 × 339,903.06
  4. Step 4: Simplify right side
    608,175.06x = 285,273,663,447.21
  5. Step 5: Solve for x
    x = 285,273,663,447.21/608,175.06
  6. Step 6: Final answer
    x = 469,065.05

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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.