Home / 787,898.44-1,182,216.75-388,321.39

Finding the Fourth Proportional to 787,898.44, 1,182,216.75 and 388,321.39

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Solution

The fourth proportional to 787,898.44, 1,182,216.75 and 388,321.39 is: 582,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,898.44 : 1,182,216.75 = 388,321.39 : x
  2. Step 2: Convert to fraction form
    787,898.44/1,182,216.75 = 388,321.39/x
  3. Step 3: Cross multiply
    787,898.44x = 1,182,216.75 × 388,321.39
  4. Step 4: Simplify right side
    787,898.44x = 459,080,051,641.28
  5. Step 5: Solve for x
    x = 459,080,051,641.28/787,898.44
  6. Step 6: Final answer
    x = 582,663.99

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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.