Home / 1,040,320.24-1,560,534.36-330,403.84

Finding the Fourth Proportional to 1,040,320.24, 1,560,534.36 and 330,403.84

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Solution

The fourth proportional to 1,040,320.24, 1,560,534.36 and 330,403.84 is: 495,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,320.24 : 1,560,534.36 = 330,403.84 : x
  2. Step 2: Convert to fraction form
    1,040,320.24/1,560,534.36 = 330,403.84/x
  3. Step 3: Cross multiply
    1,040,320.24x = 1,560,534.36 × 330,403.84
  4. Step 4: Simplify right side
    1,040,320.24x = 515,606,544,995.94
  5. Step 5: Solve for x
    x = 515,606,544,995.94/1,040,320.24
  6. Step 6: Final answer
    x = 495,622.91

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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.