Home / 540,619.56-746,109.36-298,920.42

Finding the Fourth Proportional to 540,619.56, 746,109.36 and 298,920.42

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Solution

The fourth proportional to 540,619.56, 746,109.36 and 298,920.42 is: 412,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,619.56 : 746,109.36 = 298,920.42 : x
  2. Step 2: Convert to fraction form
    540,619.56/746,109.36 = 298,920.42/x
  3. Step 3: Cross multiply
    540,619.56x = 746,109.36 × 298,920.42
  4. Step 4: Simplify right side
    540,619.56x = 223,027,323,257.13
  5. Step 5: Solve for x
    x = 223,027,323,257.13/540,619.56
  6. Step 6: Final answer
    x = 412,540.24

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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.