Home / 751,549.04-1,037,137.68-412,019.68

Finding the Fourth Proportional to 751,549.04, 1,037,137.68 and 412,019.68

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Solution

The fourth proportional to 751,549.04, 1,037,137.68 and 412,019.68 is: 568,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,549.04 : 1,037,137.68 = 412,019.68 : x
  2. Step 2: Convert to fraction form
    751,549.04/1,037,137.68 = 412,019.68/x
  3. Step 3: Cross multiply
    751,549.04x = 1,037,137.68 × 412,019.68
  4. Step 4: Simplify right side
    751,549.04x = 427,321,135,029.54
  5. Step 5: Solve for x
    x = 427,321,135,029.54/751,549.04
  6. Step 6: Final answer
    x = 568,587.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.