Home / 702,859.80-1,054,131.60-323,416.56

Finding the Fourth Proportional to 702,859.80, 1,054,131.60 and 323,416.56

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Solution

The fourth proportional to 702,859.80, 1,054,131.60 and 323,416.56 is: 485,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,859.80 : 1,054,131.60 = 323,416.56 : x
  2. Step 2: Convert to fraction form
    702,859.80/1,054,131.60 = 323,416.56/x
  3. Step 3: Cross multiply
    702,859.80x = 1,054,131.60 × 323,416.56
  4. Step 4: Simplify right side
    702,859.80x = 340,923,615,859.30
  5. Step 5: Solve for x
    x = 340,923,615,859.30/702,859.80
  6. Step 6: Final answer
    x = 485,052.09

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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.