Home / 824,404.70-1,236,724.42-255,834.93

Finding the Fourth Proportional to 824,404.70, 1,236,724.42 and 255,834.93

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Solution

The fourth proportional to 824,404.70, 1,236,724.42 and 255,834.93 is: 383,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,404.70 : 1,236,724.42 = 255,834.93 : x
  2. Step 2: Convert to fraction form
    824,404.70/1,236,724.42 = 255,834.93/x
  3. Step 3: Cross multiply
    824,404.70x = 1,236,724.42 × 255,834.93
  4. Step 4: Simplify right side
    824,404.70x = 316,397,305,419.99
  5. Step 5: Solve for x
    x = 316,397,305,419.99/824,404.70
  6. Step 6: Final answer
    x = 383,788.82

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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.