Home / 929,687.82-1,395,279.14-480,540.30

Finding the Fourth Proportional to 929,687.82, 1,395,279.14 and 480,540.30

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Solution

The fourth proportional to 929,687.82, 1,395,279.14 and 480,540.30 is: 721,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,687.82 : 1,395,279.14 = 480,540.30 : x
  2. Step 2: Convert to fraction form
    929,687.82/1,395,279.14 = 480,540.30/x
  3. Step 3: Cross multiply
    929,687.82x = 1,395,279.14 × 480,540.30
  4. Step 4: Simplify right side
    929,687.82x = 670,487,856,519.34
  5. Step 5: Solve for x
    x = 670,487,856,519.34/929,687.82
  6. Step 6: Final answer
    x = 721,196.77

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1.5x scale

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.