Home / 468,383.10-646,195.77-307,327.56

Finding the Fourth Proportional to 468,383.10, 646,195.77 and 307,327.56

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Solution

The fourth proportional to 468,383.10, 646,195.77 and 307,327.56 is: 423,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,383.10 : 646,195.77 = 307,327.56 : x
  2. Step 2: Convert to fraction form
    468,383.10/646,195.77 = 307,327.56/x
  3. Step 3: Cross multiply
    468,383.10x = 646,195.77 × 307,327.56
  4. Step 4: Simplify right side
    468,383.10x = 198,593,769,276.42
  5. Step 5: Solve for x
    x = 198,593,769,276.42/468,383.10
  6. Step 6: Final answer
    x = 423,998.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.