Home / 821,906.08-1,232,981.66-253,239.61

Finding the Fourth Proportional to 821,906.08, 1,232,981.66 and 253,239.61

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Solution

The fourth proportional to 821,906.08, 1,232,981.66 and 253,239.61 is: 379,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,906.08 : 1,232,981.66 = 253,239.61 : x
  2. Step 2: Convert to fraction form
    821,906.08/1,232,981.66 = 253,239.61/x
  3. Step 3: Cross multiply
    821,906.08x = 1,232,981.66 × 253,239.61
  4. Step 4: Simplify right side
    821,906.08x = 312,239,791,633.10
  5. Step 5: Solve for x
    x = 312,239,791,633.10/821,906.08
  6. Step 6: Final answer
    x = 379,897.17

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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.