Home / 766,783.10-1,149,310.65-367,615.10

Finding the Fourth Proportional to 766,783.10, 1,149,310.65 and 367,615.10

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Solution

The fourth proportional to 766,783.10, 1,149,310.65 and 367,615.10 is: 551,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,783.10 : 1,149,310.65 = 367,615.10 : x
  2. Step 2: Convert to fraction form
    766,783.10/1,149,310.65 = 367,615.10/x
  3. Step 3: Cross multiply
    766,783.10x = 1,149,310.65 × 367,615.10
  4. Step 4: Simplify right side
    766,783.10x = 422,503,949,530.82
  5. Step 5: Solve for x
    x = 422,503,949,530.82/766,783.10
  6. Step 6: Final answer
    x = 551,008.43

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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.