Home / 930,357.20-1,284,031.78-567,991.12

Finding the Fourth Proportional to 930,357.20, 1,284,031.78 and 567,991.12

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Solution

The fourth proportional to 930,357.20, 1,284,031.78 and 567,991.12 is: 783,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,357.20 : 1,284,031.78 = 567,991.12 : x
  2. Step 2: Convert to fraction form
    930,357.20/1,284,031.78 = 567,991.12/x
  3. Step 3: Cross multiply
    930,357.20x = 1,284,031.78 × 567,991.12
  4. Step 4: Simplify right side
    930,357.20x = 729,318,648,837.79
  5. Step 5: Solve for x
    x = 729,318,648,837.79/930,357.20
  6. Step 6: Final answer
    x = 783,912.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.