Home / 824,405.06-1,236,724.98-255,835.30

Finding the Fourth Proportional to 824,405.06, 1,236,724.98 and 255,835.30

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Solution

The fourth proportional to 824,405.06, 1,236,724.98 and 255,835.30 is: 383,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,405.06 : 1,236,724.98 = 255,835.30 : x
  2. Step 2: Convert to fraction form
    824,405.06/1,236,724.98 = 255,835.30/x
  3. Step 3: Cross multiply
    824,405.06x = 1,236,724.98 × 255,835.30
  4. Step 4: Simplify right side
    824,405.06x = 316,397,906,275.79
  5. Step 5: Solve for x
    x = 316,397,906,275.79/824,405.06
  6. Step 6: Final answer
    x = 383,789.38

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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.