Home / 448,739.40-673,109.10-322,768.20

Finding the Fourth Proportional to 448,739.40, 673,109.10 and 322,768.20

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Solution

The fourth proportional to 448,739.40, 673,109.10 and 322,768.20 is: 484,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,739.40 : 673,109.10 = 322,768.20 : x
  2. Step 2: Convert to fraction form
    448,739.40/673,109.10 = 322,768.20/x
  3. Step 3: Cross multiply
    448,739.40x = 673,109.10 × 322,768.20
  4. Step 4: Simplify right side
    448,739.40x = 217,258,212,610.62
  5. Step 5: Solve for x
    x = 217,258,212,610.62/448,739.40
  6. Step 6: Final answer
    x = 484,152.30

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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.