Home / 755,469.24-1,133,203.86-256,833.24

Finding the Fourth Proportional to 755,469.24, 1,133,203.86 and 256,833.24

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Solution

The fourth proportional to 755,469.24, 1,133,203.86 and 256,833.24 is: 385,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,469.24 : 1,133,203.86 = 256,833.24 : x
  2. Step 2: Convert to fraction form
    755,469.24/1,133,203.86 = 256,833.24/x
  3. Step 3: Cross multiply
    755,469.24x = 1,133,203.86 × 256,833.24
  4. Step 4: Simplify right side
    755,469.24x = 291,044,418,944.31
  5. Step 5: Solve for x
    x = 291,044,418,944.31/755,469.24
  6. Step 6: Final answer
    x = 385,249.86

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Half scale
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Double scale
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Similar ratio
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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.