Home / 836,979.36-1,255,458.24-205,898.64

Finding the Fourth Proportional to 836,979.36, 1,255,458.24 and 205,898.64

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Solution

The fourth proportional to 836,979.36, 1,255,458.24 and 205,898.64 is: 308,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,979.36 : 1,255,458.24 = 205,898.64 : x
  2. Step 2: Convert to fraction form
    836,979.36/1,255,458.24 = 205,898.64/x
  3. Step 3: Cross multiply
    836,979.36x = 1,255,458.24 × 205,898.64
  4. Step 4: Simplify right side
    836,979.36x = 258,497,144,192.79
  5. Step 5: Solve for x
    x = 258,497,144,192.79/836,979.36
  6. Step 6: Final answer
    x = 308,845.30

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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.