Home / 406,098.37-608,481.73-287,556.90

Finding the Fourth Proportional to 406,098.37, 608,481.73 and 287,556.90

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Solution

The fourth proportional to 406,098.37, 608,481.73 and 287,556.90 is: 430,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,098.37 : 608,481.73 = 287,556.90 : x
  2. Step 2: Convert to fraction form
    406,098.37/608,481.73 = 287,556.90/x
  3. Step 3: Cross multiply
    406,098.37x = 608,481.73 × 287,556.90
  4. Step 4: Simplify right side
    406,098.37x = 174,973,119,985.44
  5. Step 5: Solve for x
    x = 174,973,119,985.44/406,098.37
  6. Step 6: Final answer
    x = 430,863.88

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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.