Home / 684,245.86-1,025,733.71-324,585.43

Finding the Fourth Proportional to 684,245.86, 1,025,733.71 and 324,585.43

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Solution

The fourth proportional to 684,245.86, 1,025,733.71 and 324,585.43 is: 486,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,245.86 : 1,025,733.71 = 324,585.43 : x
  2. Step 2: Convert to fraction form
    684,245.86/1,025,733.71 = 324,585.43/x
  3. Step 3: Cross multiply
    684,245.86x = 1,025,733.71 × 324,585.43
  4. Step 4: Simplify right side
    684,245.86x = 332,938,215,572.98
  5. Step 5: Solve for x
    x = 332,938,215,572.98/684,245.86
  6. Step 6: Final answer
    x = 486,576.88

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1.5x scale

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.