Home / 824,081.18-1,236,313.48-255,432.12

Finding the Fourth Proportional to 824,081.18, 1,236,313.48 and 255,432.12

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Solution

The fourth proportional to 824,081.18, 1,236,313.48 and 255,432.12 is: 383,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,081.18 : 1,236,313.48 = 255,432.12 : x
  2. Step 2: Convert to fraction form
    824,081.18/1,236,313.48 = 255,432.12/x
  3. Step 3: Cross multiply
    824,081.18x = 1,236,313.48 × 255,432.12
  4. Step 4: Simplify right side
    824,081.18x = 315,794,173,180.98
  5. Step 5: Solve for x
    x = 315,794,173,180.98/824,081.18
  6. Step 6: Final answer
    x = 383,207.60

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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.