Home / 874,516.98-1,311,951.82-369,078.50

Finding the Fourth Proportional to 874,516.98, 1,311,951.82 and 369,078.50

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Solution

The fourth proportional to 874,516.98, 1,311,951.82 and 369,078.50 is: 553,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,516.98 : 1,311,951.82 = 369,078.50 : x
  2. Step 2: Convert to fraction form
    874,516.98/1,311,951.82 = 369,078.50/x
  3. Step 3: Cross multiply
    874,516.98x = 1,311,951.82 × 369,078.50
  4. Step 4: Simplify right side
    874,516.98x = 484,213,209,797.87
  5. Step 5: Solve for x
    x = 484,213,209,797.87/874,516.98
  6. Step 6: Final answer
    x = 553,692.18

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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.