Home / 821,906.52-1,232,982.32-253,240.04

Finding the Fourth Proportional to 821,906.52, 1,232,982.32 and 253,240.04

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Solution

The fourth proportional to 821,906.52, 1,232,982.32 and 253,240.04 is: 379,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,906.52 : 1,232,982.32 = 253,240.04 : x
  2. Step 2: Convert to fraction form
    821,906.52/1,232,982.32 = 253,240.04/x
  3. Step 3: Cross multiply
    821,906.52x = 1,232,982.32 × 253,240.04
  4. Step 4: Simplify right side
    821,906.52x = 312,240,492,036.09
  5. Step 5: Solve for x
    x = 312,240,492,036.09/821,906.52
  6. Step 6: Final answer
    x = 379,897.82

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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.