Home / 672,215.40-1,008,323.10-448,266.60

Finding the Fourth Proportional to 672,215.40, 1,008,323.10 and 448,266.60

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Solution

The fourth proportional to 672,215.40, 1,008,323.10 and 448,266.60 is: 672,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,215.40 : 1,008,323.10 = 448,266.60 : x
  2. Step 2: Convert to fraction form
    672,215.40/1,008,323.10 = 448,266.60/x
  3. Step 3: Cross multiply
    672,215.40x = 1,008,323.10 × 448,266.60
  4. Step 4: Simplify right side
    672,215.40x = 451,997,567,738.46
  5. Step 5: Solve for x
    x = 451,997,567,738.46/672,215.40
  6. Step 6: Final answer
    x = 672,399.90

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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.