Home / 693,149.40-1,040,112.90-293,722.20

Finding the Fourth Proportional to 693,149.40, 1,040,112.90 and 293,722.20

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Solution

The fourth proportional to 693,149.40, 1,040,112.90 and 293,722.20 is: 440,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,149.40 : 1,040,112.90 = 293,722.20 : x
  2. Step 2: Convert to fraction form
    693,149.40/1,040,112.90 = 293,722.20/x
  3. Step 3: Cross multiply
    693,149.40x = 1,040,112.90 × 293,722.20
  4. Step 4: Simplify right side
    693,149.40x = 305,504,249,236.38
  5. Step 5: Solve for x
    x = 305,504,249,236.38/693,149.40
  6. Step 6: Final answer
    x = 440,748.05

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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.