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Finding the Fourth Proportional to 636,277.42, 877,770.25 and 563,753.77

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Solution

The fourth proportional to 636,277.42, 877,770.25 and 563,753.77 is: 777,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,277.42 : 877,770.25 = 563,753.77 : x
  2. Step 2: Convert to fraction form
    636,277.42/877,770.25 = 563,753.77/x
  3. Step 3: Cross multiply
    636,277.42x = 877,770.25 × 563,753.77
  4. Step 4: Simplify right side
    636,277.42x = 494,846,283,242.49
  5. Step 5: Solve for x
    x = 494,846,283,242.49/636,277.42
  6. Step 6: Final answer
    x = 777,720.96

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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.