Home / 824,081.43-1,236,313.85-255,432.36

Finding the Fourth Proportional to 824,081.43, 1,236,313.85 and 255,432.36

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Solution

The fourth proportional to 824,081.43, 1,236,313.85 and 255,432.36 is: 383,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,081.43 : 1,236,313.85 = 255,432.36 : x
  2. Step 2: Convert to fraction form
    824,081.43/1,236,313.85 = 255,432.36/x
  3. Step 3: Cross multiply
    824,081.43x = 1,236,313.85 × 255,432.36
  4. Step 4: Simplify right side
    824,081.43x = 315,794,563,129.02
  5. Step 5: Solve for x
    x = 315,794,563,129.02/824,081.43
  6. Step 6: Final answer
    x = 383,207.96

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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.