Home / 739,739.32-1,109,959.99-512,384.53

Finding the Fourth Proportional to 739,739.32, 1,109,959.99 and 512,384.53

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Solution

The fourth proportional to 739,739.32, 1,109,959.99 and 512,384.53 is: 768,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,739.32 : 1,109,959.99 = 512,384.53 : x
  2. Step 2: Convert to fraction form
    739,739.32/1,109,959.99 = 512,384.53/x
  3. Step 3: Cross multiply
    739,739.32x = 1,109,959.99 × 512,384.53
  4. Step 4: Simplify right side
    739,739.32x = 568,726,327,794.96
  5. Step 5: Solve for x
    x = 568,726,327,794.96/739,739.32
  6. Step 6: Final answer
    x = 768,819.92

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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.