Home / 836,396.84-1,254,619.85-205,310.63

Finding the Fourth Proportional to 836,396.84, 1,254,619.85 and 205,310.63

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Solution

The fourth proportional to 836,396.84, 1,254,619.85 and 205,310.63 is: 307,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,396.84 : 1,254,619.85 = 205,310.63 : x
  2. Step 2: Convert to fraction form
    836,396.84/1,254,619.85 = 205,310.63/x
  3. Step 3: Cross multiply
    836,396.84x = 1,254,619.85 × 205,310.63
  4. Step 4: Simplify right side
    836,396.84x = 257,586,784,514.35
  5. Step 5: Solve for x
    x = 257,586,784,514.35/836,396.84
  6. Step 6: Final answer
    x = 307,971.97

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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.