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Finding the Fourth Proportional to 608,020.08, 839,151.06 and 349,891.72

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Solution

The fourth proportional to 608,020.08, 839,151.06 and 349,891.72 is: 482,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,020.08 : 839,151.06 = 349,891.72 : x
  2. Step 2: Convert to fraction form
    608,020.08/839,151.06 = 349,891.72/x
  3. Step 3: Cross multiply
    608,020.08x = 839,151.06 × 349,891.72
  4. Step 4: Simplify right side
    608,020.08x = 293,612,007,723.22
  5. Step 5: Solve for x
    x = 293,612,007,723.22/608,020.08
  6. Step 6: Final answer
    x = 482,898.54

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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.