Home / 563,137.56-776,939.58-321,249.96

Finding the Fourth Proportional to 563,137.56, 776,939.58 and 321,249.96

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Solution

The fourth proportional to 563,137.56, 776,939.58 and 321,249.96 is: 443,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,137.56 : 776,939.58 = 321,249.96 : x
  2. Step 2: Convert to fraction form
    563,137.56/776,939.58 = 321,249.96/x
  3. Step 3: Cross multiply
    563,137.56x = 776,939.58 × 321,249.96
  4. Step 4: Simplify right side
    563,137.56x = 249,591,808,997.42
  5. Step 5: Solve for x
    x = 249,591,808,997.42/563,137.56
  6. Step 6: Final answer
    x = 443,216.41

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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.