Home / 828,922.21-1,143,910.88-466,346.32

Finding the Fourth Proportional to 828,922.21, 1,143,910.88 and 466,346.32

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Solution

The fourth proportional to 828,922.21, 1,143,910.88 and 466,346.32 is: 643,556.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,922.21 : 1,143,910.88 = 466,346.32 : x
  2. Step 2: Convert to fraction form
    828,922.21/1,143,910.88 = 466,346.32/x
  3. Step 3: Cross multiply
    828,922.21x = 1,143,910.88 × 466,346.32
  4. Step 4: Simplify right side
    828,922.21x = 533,458,622,605.15
  5. Step 5: Solve for x
    x = 533,458,622,605.15/828,922.21
  6. Step 6: Final answer
    x = 643,556.92

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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.