Home / 433,917.10-648,236.92-280,867.42

Finding the Fourth Proportional to 433,917.10, 648,236.92 and 280,867.42

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Solution

The fourth proportional to 433,917.10, 648,236.92 and 280,867.42 is: 419,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,917.10 : 648,236.92 = 280,867.42 : x
  2. Step 2: Convert to fraction form
    433,917.10/648,236.92 = 280,867.42/x
  3. Step 3: Cross multiply
    433,917.10x = 648,236.92 × 280,867.42
  4. Step 4: Simplify right side
    433,917.10x = 182,068,631,269.15
  5. Step 5: Solve for x
    x = 182,068,631,269.15/433,917.10
  6. Step 6: Final answer
    x = 419,593.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.