Home / 657,077.24-985,238.60-257,249.90

Finding the Fourth Proportional to 657,077.24, 985,238.60 and 257,249.90

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Solution

The fourth proportional to 657,077.24, 985,238.60 and 257,249.90 is: 385,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,077.24 : 985,238.60 = 257,249.90 : x
  2. Step 2: Convert to fraction form
    657,077.24/985,238.60 = 257,249.90/x
  3. Step 3: Cross multiply
    657,077.24x = 985,238.60 × 257,249.90
  4. Step 4: Simplify right side
    657,077.24x = 253,452,525,113.70
  5. Step 5: Solve for x
    x = 253,452,525,113.70/657,077.24
  6. Step 6: Final answer
    x = 385,727.14

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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.