Home / 815,099.59-1,222,256.13-341,657.83

Finding the Fourth Proportional to 815,099.59, 1,222,256.13 and 341,657.83

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Solution

The fourth proportional to 815,099.59, 1,222,256.13 and 341,657.83 is: 512,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,099.59 : 1,222,256.13 = 341,657.83 : x
  2. Step 2: Convert to fraction form
    815,099.59/1,222,256.13 = 341,657.83/x
  3. Step 3: Cross multiply
    815,099.59x = 1,222,256.13 × 341,657.83
  4. Step 4: Simplify right side
    815,099.59x = 417,593,377,080.00
  5. Step 5: Solve for x
    x = 417,593,377,080.00/815,099.59
  6. Step 6: Final answer
    x = 512,321.91

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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.