Home / 389,906.20-583,937.70-264,568.60

Finding the Fourth Proportional to 389,906.20, 583,937.70 and 264,568.60

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Solution

The fourth proportional to 389,906.20, 583,937.70 and 264,568.60 is: 396,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,906.20 : 583,937.70 = 264,568.60 : x
  2. Step 2: Convert to fraction form
    389,906.20/583,937.70 = 264,568.60/x
  3. Step 3: Cross multiply
    389,906.20x = 583,937.70 × 264,568.60
  4. Step 4: Simplify right side
    389,906.20x = 154,491,579,776.22
  5. Step 5: Solve for x
    x = 154,491,579,776.22/389,906.20
  6. Step 6: Final answer
    x = 396,227.55

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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.