Home / 821,556.20-1,133,635.38-458,935.22

Finding the Fourth Proportional to 821,556.20, 1,133,635.38 and 458,935.22

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Solution

The fourth proportional to 821,556.20, 1,133,635.38 and 458,935.22 is: 633,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,556.20 : 1,133,635.38 = 458,935.22 : x
  2. Step 2: Convert to fraction form
    821,556.20/1,133,635.38 = 458,935.22/x
  3. Step 3: Cross multiply
    821,556.20x = 1,133,635.38 × 458,935.22
  4. Step 4: Simplify right side
    821,556.20x = 520,265,202,520.08
  5. Step 5: Solve for x
    x = 520,265,202,520.08/821,556.20
  6. Step 6: Final answer
    x = 633,267.94

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1.5x scale

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.