Home / 778,022.96-1,073,757.08-451,407.88

Finding the Fourth Proportional to 778,022.96, 1,073,757.08 and 451,407.88

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Solution

The fourth proportional to 778,022.96, 1,073,757.08 and 451,407.88 is: 622,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,022.96 : 1,073,757.08 = 451,407.88 : x
  2. Step 2: Convert to fraction form
    778,022.96/1,073,757.08 = 451,407.88/x
  3. Step 3: Cross multiply
    778,022.96x = 1,073,757.08 × 451,407.88
  4. Step 4: Simplify right side
    778,022.96x = 484,702,407,117.79
  5. Step 5: Solve for x
    x = 484,702,407,117.79/778,022.96
  6. Step 6: Final answer
    x = 622,992.42

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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.