Home / 510,078.72-764,962.56-410,001.60

Finding the Fourth Proportional to 510,078.72, 764,962.56 and 410,001.60

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Solution

The fourth proportional to 510,078.72, 764,962.56 and 410,001.60 is: 614,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,078.72 : 764,962.56 = 410,001.60 : x
  2. Step 2: Convert to fraction form
    510,078.72/764,962.56 = 410,001.60/x
  3. Step 3: Cross multiply
    510,078.72x = 764,962.56 × 410,001.60
  4. Step 4: Simplify right side
    510,078.72x = 313,635,873,540.10
  5. Step 5: Solve for x
    x = 313,635,873,540.10/510,078.72
  6. Step 6: Final answer
    x = 614,877.39

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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.