Home / 563,631.96-777,796.02-321,909.54

Finding the Fourth Proportional to 563,631.96, 777,796.02 and 321,909.54

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Solution

The fourth proportional to 563,631.96, 777,796.02 and 321,909.54 is: 444,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,631.96 : 777,796.02 = 321,909.54 : x
  2. Step 2: Convert to fraction form
    563,631.96/777,796.02 = 321,909.54/x
  3. Step 3: Cross multiply
    563,631.96x = 777,796.02 × 321,909.54
  4. Step 4: Simplify right side
    563,631.96x = 250,379,959,012.03
  5. Step 5: Solve for x
    x = 250,379,959,012.03/563,631.96
  6. Step 6: Final answer
    x = 444,225.98

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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.