Home / 824,406.06-1,236,726.48-255,836.30

Finding the Fourth Proportional to 824,406.06, 1,236,726.48 and 255,836.30

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Solution

The fourth proportional to 824,406.06, 1,236,726.48 and 255,836.30 is: 383,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,406.06 : 1,236,726.48 = 255,836.30 : x
  2. Step 2: Convert to fraction form
    824,406.06/1,236,726.48 = 255,836.30/x
  3. Step 3: Cross multiply
    824,406.06x = 1,236,726.48 × 255,836.30
  4. Step 4: Simplify right side
    824,406.06x = 316,399,526,755.22
  5. Step 5: Solve for x
    x = 316,399,526,755.22/824,406.06
  6. Step 6: Final answer
    x = 383,790.88

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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.