Home / 765,076.59-1,147,122.81-365,708.52

Finding the Fourth Proportional to 765,076.59, 1,147,122.81 and 365,708.52

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Solution

The fourth proportional to 765,076.59, 1,147,122.81 and 365,708.52 is: 548,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,076.59 : 1,147,122.81 = 365,708.52 : x
  2. Step 2: Convert to fraction form
    765,076.59/1,147,122.81 = 365,708.52/x
  3. Step 3: Cross multiply
    765,076.59x = 1,147,122.81 × 365,708.52
  4. Step 4: Simplify right side
    765,076.59x = 419,512,585,103.34
  5. Step 5: Solve for x
    x = 419,512,585,103.34/765,076.59
  6. Step 6: Final answer
    x = 548,327.57

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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.