Home / 824,794.80-1,236,601.80-318,922.80

Finding the Fourth Proportional to 824,794.80, 1,236,601.80 and 318,922.80

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Solution

The fourth proportional to 824,794.80, 1,236,601.80 and 318,922.80 is: 478,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,794.80 : 1,236,601.80 = 318,922.80 : x
  2. Step 2: Convert to fraction form
    824,794.80/1,236,601.80 = 318,922.80/x
  3. Step 3: Cross multiply
    824,794.80x = 1,236,601.80 × 318,922.80
  4. Step 4: Simplify right side
    824,794.80x = 394,380,508,541.04
  5. Step 5: Solve for x
    x = 394,380,508,541.04/824,794.80
  6. Step 6: Final answer
    x = 478,155.91

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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.