Home / 497,719.60-746,579.40-287,767.60

Finding the Fourth Proportional to 497,719.60, 746,579.40 and 287,767.60

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Solution

The fourth proportional to 497,719.60, 746,579.40 and 287,767.60 is: 431,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,719.60 : 746,579.40 = 287,767.60 : x
  2. Step 2: Convert to fraction form
    497,719.60/746,579.40 = 287,767.60/x
  3. Step 3: Cross multiply
    497,719.60x = 746,579.40 × 287,767.60
  4. Step 4: Simplify right side
    497,719.60x = 214,841,362,147.44
  5. Step 5: Solve for x
    x = 214,841,362,147.44/497,719.60
  6. Step 6: Final answer
    x = 431,651.40

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Similar ratio
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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.