Home / 805,523.70-1,206,903.15-383,891.70

Finding the Fourth Proportional to 805,523.70, 1,206,903.15 and 383,891.70

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Solution

The fourth proportional to 805,523.70, 1,206,903.15 and 383,891.70 is: 575,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,523.70 : 1,206,903.15 = 383,891.70 : x
  2. Step 2: Convert to fraction form
    805,523.70/1,206,903.15 = 383,891.70/x
  3. Step 3: Cross multiply
    805,523.70x = 1,206,903.15 × 383,891.70
  4. Step 4: Simplify right side
    805,523.70x = 463,320,101,988.86
  5. Step 5: Solve for x
    x = 463,320,101,988.86/805,523.70
  6. Step 6: Final answer
    x = 575,178.73

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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.