Home / 881,279.70-1,322,265.15-320,370.90

Finding the Fourth Proportional to 881,279.70, 1,322,265.15 and 320,370.90

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Solution

The fourth proportional to 881,279.70, 1,322,265.15 and 320,370.90 is: 480,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,279.70 : 1,322,265.15 = 320,370.90 : x
  2. Step 2: Convert to fraction form
    881,279.70/1,322,265.15 = 320,370.90/x
  3. Step 3: Cross multiply
    881,279.70x = 1,322,265.15 × 320,370.90
  4. Step 4: Simplify right side
    881,279.70x = 423,615,276,144.14
  5. Step 5: Solve for x
    x = 423,615,276,144.14/881,279.70
  6. Step 6: Final answer
    x = 480,681.99

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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.