Home / 951,561.21-1,427,344.30-320,918.01

Finding the Fourth Proportional to 951,561.21, 1,427,344.30 and 320,918.01

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Solution

The fourth proportional to 951,561.21, 1,427,344.30 and 320,918.01 is: 481,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,561.21 : 1,427,344.30 = 320,918.01 : x
  2. Step 2: Convert to fraction form
    951,561.21/1,427,344.30 = 320,918.01/x
  3. Step 3: Cross multiply
    951,561.21x = 1,427,344.30 × 320,918.01
  4. Step 4: Simplify right side
    951,561.21x = 458,060,490,736.25
  5. Step 5: Solve for x
    x = 458,060,490,736.25/951,561.21
  6. Step 6: Final answer
    x = 481,377.85

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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.