Home / 721,619.04-1,081,845.24-301,209.60

Finding the Fourth Proportional to 721,619.04, 1,081,845.24 and 301,209.60

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Solution

The fourth proportional to 721,619.04, 1,081,845.24 and 301,209.60 is: 451,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,619.04 : 1,081,845.24 = 301,209.60 : x
  2. Step 2: Convert to fraction form
    721,619.04/1,081,845.24 = 301,209.60/x
  3. Step 3: Cross multiply
    721,619.04x = 1,081,845.24 × 301,209.60
  4. Step 4: Simplify right side
    721,619.04x = 325,862,172,002.30
  5. Step 5: Solve for x
    x = 325,862,172,002.30/721,619.04
  6. Step 6: Final answer
    x = 451,570.92

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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.