Home / 1,085,625.06-1,628,000.01-327,231.78

Finding the Fourth Proportional to 1,085,625.06, 1,628,000.01 and 327,231.78

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Solution

The fourth proportional to 1,085,625.06, 1,628,000.01 and 327,231.78 is: 490,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,625.06 : 1,628,000.01 = 327,231.78 : x
  2. Step 2: Convert to fraction form
    1,085,625.06/1,628,000.01 = 327,231.78/x
  3. Step 3: Cross multiply
    1,085,625.06x = 1,628,000.01 × 327,231.78
  4. Step 4: Simplify right side
    1,085,625.06x = 532,733,341,112.32
  5. Step 5: Solve for x
    x = 532,733,341,112.32/1,085,625.06
  6. Step 6: Final answer
    x = 490,715.77

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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.