Home / 981,777.08-1,472,492.82-262,127.72

Finding the Fourth Proportional to 981,777.08, 1,472,492.82 and 262,127.72

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Solution

The fourth proportional to 981,777.08, 1,472,492.82 and 262,127.72 is: 393,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,777.08 : 1,472,492.82 = 262,127.72 : x
  2. Step 2: Convert to fraction form
    981,777.08/1,472,492.82 = 262,127.72/x
  3. Step 3: Cross multiply
    981,777.08x = 1,472,492.82 × 262,127.72
  4. Step 4: Simplify right side
    981,777.08x = 385,981,185,622.97
  5. Step 5: Solve for x
    x = 385,981,185,622.97/981,777.08
  6. Step 6: Final answer
    x = 393,145.44

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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.