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Finding the Fourth Proportional to 662,804.70, 994,207.05 and 308,510.70

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Solution

The fourth proportional to 662,804.70, 994,207.05 and 308,510.70 is: 462,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,804.70 : 994,207.05 = 308,510.70 : x
  2. Step 2: Convert to fraction form
    662,804.70/994,207.05 = 308,510.70/x
  3. Step 3: Cross multiply
    662,804.70x = 994,207.05 × 308,510.70
  4. Step 4: Simplify right side
    662,804.70x = 306,723,512,940.44
  5. Step 5: Solve for x
    x = 306,723,512,940.44/662,804.70
  6. Step 6: Final answer
    x = 462,766.05

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Similar ratio
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1.5x scale

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.