Home / 446,171.60-669,257.40-425,435.60

Finding the Fourth Proportional to 446,171.60, 669,257.40 and 425,435.60

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Solution

The fourth proportional to 446,171.60, 669,257.40 and 425,435.60 is: 638,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,171.60 : 669,257.40 = 425,435.60 : x
  2. Step 2: Convert to fraction form
    446,171.60/669,257.40 = 425,435.60/x
  3. Step 3: Cross multiply
    446,171.60x = 669,257.40 × 425,435.60
  4. Step 4: Simplify right side
    446,171.60x = 284,725,923,523.44
  5. Step 5: Solve for x
    x = 284,725,923,523.44/446,171.60
  6. Step 6: Final answer
    x = 638,153.40

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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.