Home / 782,516.98-1,173,821.58-221,504.50

Finding the Fourth Proportional to 782,516.98, 1,173,821.58 and 221,504.50

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Solution

The fourth proportional to 782,516.98, 1,173,821.58 and 221,504.50 is: 332,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,516.98 : 1,173,821.58 = 221,504.50 : x
  2. Step 2: Convert to fraction form
    782,516.98/1,173,821.58 = 221,504.50/x
  3. Step 3: Cross multiply
    782,516.98x = 1,173,821.58 × 221,504.50
  4. Step 4: Simplify right side
    782,516.98x = 260,006,762,167.11
  5. Step 5: Solve for x
    x = 260,006,762,167.11/782,516.98
  6. Step 6: Final answer
    x = 332,269.80

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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.