Home / 765,355.97-1,147,289.64-365,893.25

Finding the Fourth Proportional to 765,355.97, 1,147,289.64 and 365,893.25

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Solution

The fourth proportional to 765,355.97, 1,147,289.64 and 365,893.25 is: 548,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,355.97 : 1,147,289.64 = 365,893.25 : x
  2. Step 2: Convert to fraction form
    765,355.97/1,147,289.64 = 365,893.25/x
  3. Step 3: Cross multiply
    765,355.97x = 1,147,289.64 × 365,893.25
  4. Step 4: Simplify right side
    765,355.97x = 419,785,533,241.46
  5. Step 5: Solve for x
    x = 419,785,533,241.46/765,355.97
  6. Step 6: Final answer
    x = 548,484.04

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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.