Home / 782,823.93-1,080,297.03-443,357.79

Finding the Fourth Proportional to 782,823.93, 1,080,297.03 and 443,357.79

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Solution

The fourth proportional to 782,823.93, 1,080,297.03 and 443,357.79 is: 611,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,823.93 : 1,080,297.03 = 443,357.79 : x
  2. Step 2: Convert to fraction form
    782,823.93/1,080,297.03 = 443,357.79/x
  3. Step 3: Cross multiply
    782,823.93x = 1,080,297.03 × 443,357.79
  4. Step 4: Simplify right side
    782,823.93x = 478,958,103,764.36
  5. Step 5: Solve for x
    x = 478,958,103,764.36/782,823.93
  6. Step 6: Final answer
    x = 611,833.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.