Home / 756,801.48-1,135,202.22-283,359.72

Finding the Fourth Proportional to 756,801.48, 1,135,202.22 and 283,359.72

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Solution

The fourth proportional to 756,801.48, 1,135,202.22 and 283,359.72 is: 425,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,801.48 : 1,135,202.22 = 283,359.72 : x
  2. Step 2: Convert to fraction form
    756,801.48/1,135,202.22 = 283,359.72/x
  3. Step 3: Cross multiply
    756,801.48x = 1,135,202.22 × 283,359.72
  4. Step 4: Simplify right side
    756,801.48x = 321,670,583,202.58
  5. Step 5: Solve for x
    x = 321,670,583,202.58/756,801.48
  6. Step 6: Final answer
    x = 425,039.58

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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.