Home / 757,148.38-1,135,476.79-251,573.58

Finding the Fourth Proportional to 757,148.38, 1,135,476.79 and 251,573.58

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Solution

The fourth proportional to 757,148.38, 1,135,476.79 and 251,573.58 is: 377,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,148.38 : 1,135,476.79 = 251,573.58 : x
  2. Step 2: Convert to fraction form
    757,148.38/1,135,476.79 = 251,573.58/x
  3. Step 3: Cross multiply
    757,148.38x = 1,135,476.79 × 251,573.58
  4. Step 4: Simplify right side
    757,148.38x = 285,655,960,438.27
  5. Step 5: Solve for x
    x = 285,655,960,438.27/757,148.38
  6. Step 6: Final answer
    x = 377,278.71

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Double scale
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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.