Home / 672,441.90-1,008,662.85-483,485.10

Finding the Fourth Proportional to 672,441.90, 1,008,662.85 and 483,485.10

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Solution

The fourth proportional to 672,441.90, 1,008,662.85 and 483,485.10 is: 725,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,441.90 : 1,008,662.85 = 483,485.10 : x
  2. Step 2: Convert to fraction form
    672,441.90/1,008,662.85 = 483,485.10/x
  3. Step 3: Cross multiply
    672,441.90x = 1,008,662.85 × 483,485.10
  4. Step 4: Simplify right side
    672,441.90x = 487,673,458,898.54
  5. Step 5: Solve for x
    x = 487,673,458,898.54/672,441.90
  6. Step 6: Final answer
    x = 725,227.65

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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.