Home / 824,546.55-1,236,802.19-225,507.70

Finding the Fourth Proportional to 824,546.55, 1,236,802.19 and 225,507.70

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Solution

The fourth proportional to 824,546.55, 1,236,802.19 and 225,507.70 is: 338,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,546.55 : 1,236,802.19 = 225,507.70 : x
  2. Step 2: Convert to fraction form
    824,546.55/1,236,802.19 = 225,507.70/x
  3. Step 3: Cross multiply
    824,546.55x = 1,236,802.19 × 225,507.70
  4. Step 4: Simplify right side
    824,546.55x = 278,908,417,221.86
  5. Step 5: Solve for x
    x = 278,908,417,221.86/824,546.55
  6. Step 6: Final answer
    x = 338,256.73

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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.