Home / 821,876.20-1,232,814.30-568,359.16

Finding the Fourth Proportional to 821,876.20, 1,232,814.30 and 568,359.16

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Solution

The fourth proportional to 821,876.20, 1,232,814.30 and 568,359.16 is: 852,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,876.20 : 1,232,814.30 = 568,359.16 : x
  2. Step 2: Convert to fraction form
    821,876.20/1,232,814.30 = 568,359.16/x
  3. Step 3: Cross multiply
    821,876.20x = 1,232,814.30 × 568,359.16
  4. Step 4: Simplify right side
    821,876.20x = 700,681,299,983.99
  5. Step 5: Solve for x
    x = 700,681,299,983.99/821,876.20
  6. Step 6: Final answer
    x = 852,538.74

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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.