Home / 446,548.20-669,822.30-394,060.20

Finding the Fourth Proportional to 446,548.20, 669,822.30 and 394,060.20

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Solution

The fourth proportional to 446,548.20, 669,822.30 and 394,060.20 is: 591,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,548.20 : 669,822.30 = 394,060.20 : x
  2. Step 2: Convert to fraction form
    446,548.20/669,822.30 = 394,060.20/x
  3. Step 3: Cross multiply
    446,548.20x = 669,822.30 × 394,060.20
  4. Step 4: Simplify right side
    446,548.20x = 263,950,309,502.46
  5. Step 5: Solve for x
    x = 263,950,309,502.46/446,548.20
  6. Step 6: Final answer
    x = 591,090.30

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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.