Home / 824,402.46-1,236,780.27-255,771.33

Finding the Fourth Proportional to 824,402.46, 1,236,780.27 and 255,771.33

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Solution

The fourth proportional to 824,402.46, 1,236,780.27 and 255,771.33 is: 383,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,402.46 : 1,236,780.27 = 255,771.33 : x
  2. Step 2: Convert to fraction form
    824,402.46/1,236,780.27 = 255,771.33/x
  3. Step 3: Cross multiply
    824,402.46x = 1,236,780.27 × 255,771.33
  4. Step 4: Simplify right side
    824,402.46x = 316,332,934,575.66
  5. Step 5: Solve for x
    x = 316,332,934,575.66/824,402.46
  6. Step 6: Final answer
    x = 383,711.78

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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.