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Finding the Fourth Proportional to 606,998.40, 910,497.60 and 323,563.20

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Solution

The fourth proportional to 606,998.40, 910,497.60 and 323,563.20 is: 485,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,998.40 : 910,497.60 = 323,563.20 : x
  2. Step 2: Convert to fraction form
    606,998.40/910,497.60 = 323,563.20/x
  3. Step 3: Cross multiply
    606,998.40x = 910,497.60 × 323,563.20
  4. Step 4: Simplify right side
    606,998.40x = 294,603,517,048.32
  5. Step 5: Solve for x
    x = 294,603,517,048.32/606,998.40
  6. Step 6: Final answer
    x = 485,344.80

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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.