Home / 497,645.20-746,467.80-298,579.60

Finding the Fourth Proportional to 497,645.20, 746,467.80 and 298,579.60

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Solution

The fourth proportional to 497,645.20, 746,467.80 and 298,579.60 is: 447,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,645.20 : 746,467.80 = 298,579.60 : x
  2. Step 2: Convert to fraction form
    497,645.20/746,467.80 = 298,579.60/x
  3. Step 3: Cross multiply
    497,645.20x = 746,467.80 × 298,579.60
  4. Step 4: Simplify right side
    497,645.20x = 222,880,057,136.88
  5. Step 5: Solve for x
    x = 222,880,057,136.88/497,645.20
  6. Step 6: Final answer
    x = 447,869.40

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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.