Home / 824,215.13-1,236,500.25-255,584.80

Finding the Fourth Proportional to 824,215.13, 1,236,500.25 and 255,584.80

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Solution

The fourth proportional to 824,215.13, 1,236,500.25 and 255,584.80 is: 383,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,215.13 : 1,236,500.25 = 255,584.80 : x
  2. Step 2: Convert to fraction form
    824,215.13/1,236,500.25 = 255,584.80/x
  3. Step 3: Cross multiply
    824,215.13x = 1,236,500.25 × 255,584.80
  4. Step 4: Simplify right side
    824,215.13x = 316,030,661,635.78
  5. Step 5: Solve for x
    x = 316,030,661,635.78/824,215.13
  6. Step 6: Final answer
    x = 383,432.25

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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.