Home / 811,175.22-1,216,894.05-337,908.42

Finding the Fourth Proportional to 811,175.22, 1,216,894.05 and 337,908.42

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Solution

The fourth proportional to 811,175.22, 1,216,894.05 and 337,908.42 is: 506,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,175.22 : 1,216,894.05 = 337,908.42 : x
  2. Step 2: Convert to fraction form
    811,175.22/1,216,894.05 = 337,908.42/x
  3. Step 3: Cross multiply
    811,175.22x = 1,216,894.05 × 337,908.42
  4. Step 4: Simplify right side
    811,175.22x = 411,198,745,742.90
  5. Step 5: Solve for x
    x = 411,198,745,742.90/811,175.22
  6. Step 6: Final answer
    x = 506,917.29

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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.