Home / 756,067.70-1,134,101.55-307,003.70

Finding the Fourth Proportional to 756,067.70, 1,134,101.55 and 307,003.70

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Solution

The fourth proportional to 756,067.70, 1,134,101.55 and 307,003.70 is: 460,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,067.70 : 1,134,101.55 = 307,003.70 : x
  2. Step 2: Convert to fraction form
    756,067.70/1,134,101.55 = 307,003.70/x
  3. Step 3: Cross multiply
    756,067.70x = 1,134,101.55 × 307,003.70
  4. Step 4: Simplify right side
    756,067.70x = 348,173,372,025.74
  5. Step 5: Solve for x
    x = 348,173,372,025.74/756,067.70
  6. Step 6: Final answer
    x = 460,505.55

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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.