Home / 805,364.62-1,206,434.22-485,338.48

Finding the Fourth Proportional to 805,364.62, 1,206,434.22 and 485,338.48

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Solution

The fourth proportional to 805,364.62, 1,206,434.22 and 485,338.48 is: 727,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,364.62 : 1,206,434.22 = 485,338.48 : x
  2. Step 2: Convert to fraction form
    805,364.62/1,206,434.22 = 485,338.48/x
  3. Step 3: Cross multiply
    805,364.62x = 1,206,434.22 × 485,338.48
  4. Step 4: Simplify right side
    805,364.62x = 585,528,950,554.79
  5. Step 5: Solve for x
    x = 585,528,950,554.79/805,364.62
  6. Step 6: Final answer
    x = 727,035.85

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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.