Home / 667,079.70-1,000,619.55-367,406.03

Finding the Fourth Proportional to 667,079.70, 1,000,619.55 and 367,406.03

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Solution

The fourth proportional to 667,079.70, 1,000,619.55 and 367,406.03 is: 551,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,079.70 : 1,000,619.55 = 367,406.03 : x
  2. Step 2: Convert to fraction form
    667,079.70/1,000,619.55 = 367,406.03/x
  3. Step 3: Cross multiply
    667,079.70x = 1,000,619.55 × 367,406.03
  4. Step 4: Simplify right side
    667,079.70x = 367,633,651,402.79
  5. Step 5: Solve for x
    x = 367,633,651,402.79/667,079.70
  6. Step 6: Final answer
    x = 551,109.04

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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.