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Finding the Fourth Proportional to 608,214.19, 912,696.49 and 308,909.57

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Solution

The fourth proportional to 608,214.19, 912,696.49 and 308,909.57 is: 463,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,214.19 : 912,696.49 = 308,909.57 : x
  2. Step 2: Convert to fraction form
    608,214.19/912,696.49 = 308,909.57/x
  3. Step 3: Cross multiply
    608,214.19x = 912,696.49 × 308,909.57
  4. Step 4: Simplify right side
    608,214.19x = 281,940,680,266.41
  5. Step 5: Solve for x
    x = 281,940,680,266.41/608,214.19
  6. Step 6: Final answer
    x = 463,554.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.