Home / 544,619.60-815,316.60-404,997.20

Finding the Fourth Proportional to 544,619.60, 815,316.60 and 404,997.20

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Solution

The fourth proportional to 544,619.60, 815,316.60 and 404,997.20 is: 606,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,619.60 : 815,316.60 = 404,997.20 : x
  2. Step 2: Convert to fraction form
    544,619.60/815,316.60 = 404,997.20/x
  3. Step 3: Cross multiply
    544,619.60x = 815,316.60 × 404,997.20
  4. Step 4: Simplify right side
    544,619.60x = 330,200,940,113.52
  5. Step 5: Solve for x
    x = 330,200,940,113.52/544,619.60
  6. Step 6: Final answer
    x = 606,296.47

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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.