Home / 806,911.52-1,113,163.83-520,523.87

Finding the Fourth Proportional to 806,911.52, 1,113,163.83 and 520,523.87

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Solution

The fourth proportional to 806,911.52, 1,113,163.83 and 520,523.87 is: 718,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,911.52 : 1,113,163.83 = 520,523.87 : x
  2. Step 2: Convert to fraction form
    806,911.52/1,113,163.83 = 520,523.87/x
  3. Step 3: Cross multiply
    806,911.52x = 1,113,163.83 × 520,523.87
  4. Step 4: Simplify right side
    806,911.52x = 579,428,339,169.80
  5. Step 5: Solve for x
    x = 579,428,339,169.80/806,911.52
  6. Step 6: Final answer
    x = 718,081.63

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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.