Home / 702,865.80-1,054,140.60-323,422.56

Finding the Fourth Proportional to 702,865.80, 1,054,140.60 and 323,422.56

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Solution

The fourth proportional to 702,865.80, 1,054,140.60 and 323,422.56 is: 485,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,865.80 : 1,054,140.60 = 323,422.56 : x
  2. Step 2: Convert to fraction form
    702,865.80/1,054,140.60 = 323,422.56/x
  3. Step 3: Cross multiply
    702,865.80x = 1,054,140.60 × 323,422.56
  4. Step 4: Simplify right side
    702,865.80x = 340,932,851,451.94
  5. Step 5: Solve for x
    x = 340,932,851,451.94/702,865.80
  6. Step 6: Final answer
    x = 485,061.09

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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.