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Finding the Fourth Proportional to 608,063.66, 911,205.57 and 342,342.62

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Solution

The fourth proportional to 608,063.66, 911,205.57 and 342,342.62 is: 513,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,063.66 : 911,205.57 = 342,342.62 : x
  2. Step 2: Convert to fraction form
    608,063.66/911,205.57 = 342,342.62/x
  3. Step 3: Cross multiply
    608,063.66x = 911,205.57 × 342,342.62
  4. Step 4: Simplify right side
    608,063.66x = 311,944,502,192.39
  5. Step 5: Solve for x
    x = 311,944,502,192.39/608,063.66
  6. Step 6: Final answer
    x = 513,012.90

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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.