Home / 829,316.36-1,243,186.38-324,201.32

Finding the Fourth Proportional to 829,316.36, 1,243,186.38 and 324,201.32

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Solution

The fourth proportional to 829,316.36, 1,243,186.38 and 324,201.32 is: 485,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,316.36 : 1,243,186.38 = 324,201.32 : x
  2. Step 2: Convert to fraction form
    829,316.36/1,243,186.38 = 324,201.32/x
  3. Step 3: Cross multiply
    829,316.36x = 1,243,186.38 × 324,201.32
  4. Step 4: Simplify right side
    829,316.36x = 403,042,665,402.02
  5. Step 5: Solve for x
    x = 403,042,665,402.02/829,316.36
  6. Step 6: Final answer
    x = 485,993.87

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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.