Home / 994,063.38-1,491,053.40-320,129.76

Finding the Fourth Proportional to 994,063.38, 1,491,053.40 and 320,129.76

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Solution

The fourth proportional to 994,063.38, 1,491,053.40 and 320,129.76 is: 480,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,063.38 : 1,491,053.40 = 320,129.76 : x
  2. Step 2: Convert to fraction form
    994,063.38/1,491,053.40 = 320,129.76/x
  3. Step 3: Cross multiply
    994,063.38x = 1,491,053.40 × 320,129.76
  4. Step 4: Simplify right side
    994,063.38x = 477,330,567,089.18
  5. Step 5: Solve for x
    x = 477,330,567,089.18/994,063.38
  6. Step 6: Final answer
    x = 480,181.22

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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.