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Finding the Fourth Proportional to 606,902.20, 910,353.30 and 492,740.80

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Solution

The fourth proportional to 606,902.20, 910,353.30 and 492,740.80 is: 739,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,902.20 : 910,353.30 = 492,740.80 : x
  2. Step 2: Convert to fraction form
    606,902.20/910,353.30 = 492,740.80/x
  3. Step 3: Cross multiply
    606,902.20x = 910,353.30 × 492,740.80
  4. Step 4: Simplify right side
    606,902.20x = 448,568,213,324.64
  5. Step 5: Solve for x
    x = 448,568,213,324.64/606,902.20
  6. Step 6: Final answer
    x = 739,111.20

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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.