Home / 744,846.72-1,027,908.27-422,604.96

Finding the Fourth Proportional to 744,846.72, 1,027,908.27 and 422,604.96

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Solution

The fourth proportional to 744,846.72, 1,027,908.27 and 422,604.96 is: 583,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,846.72 : 1,027,908.27 = 422,604.96 : x
  2. Step 2: Convert to fraction form
    744,846.72/1,027,908.27 = 422,604.96/x
  3. Step 3: Cross multiply
    744,846.72x = 1,027,908.27 × 422,604.96
  4. Step 4: Simplify right side
    744,846.72x = 434,399,133,327.02
  5. Step 5: Solve for x
    x = 434,399,133,327.02/744,846.72
  6. Step 6: Final answer
    x = 583,206.08

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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.