Home / 880,492.31-1,320,198.70-374,765.30

Finding the Fourth Proportional to 880,492.31, 1,320,198.70 and 374,765.30

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Solution

The fourth proportional to 880,492.31, 1,320,198.70 and 374,765.30 is: 561,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,492.31 : 1,320,198.70 = 374,765.30 : x
  2. Step 2: Convert to fraction form
    880,492.31/1,320,198.70 = 374,765.30/x
  3. Step 3: Cross multiply
    880,492.31x = 1,320,198.70 × 374,765.30
  4. Step 4: Simplify right side
    880,492.31x = 494,764,659,991.28
  5. Step 5: Solve for x
    x = 494,764,659,991.28/880,492.31
  6. Step 6: Final answer
    x = 561,918.21

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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.