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Finding the Fourth Proportional to 608,780.62, 839,926.83 and 367,137.10

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Solution

The fourth proportional to 608,780.62, 839,926.83 and 367,137.10 is: 506,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,780.62 : 839,926.83 = 367,137.10 : x
  2. Step 2: Convert to fraction form
    608,780.62/839,926.83 = 367,137.10/x
  3. Step 3: Cross multiply
    608,780.62x = 839,926.83 × 367,137.10
  4. Step 4: Simplify right side
    608,780.62x = 308,368,300,578.39
  5. Step 5: Solve for x
    x = 308,368,300,578.39/608,780.62
  6. Step 6: Final answer
    x = 506,534.36

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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.