Home / 987,295.63-1,481,000.88-277,379.05

Finding the Fourth Proportional to 987,295.63, 1,481,000.88 and 277,379.05

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Solution

The fourth proportional to 987,295.63, 1,481,000.88 and 277,379.05 is: 416,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,295.63 : 1,481,000.88 = 277,379.05 : x
  2. Step 2: Convert to fraction form
    987,295.63/1,481,000.88 = 277,379.05/x
  3. Step 3: Cross multiply
    987,295.63x = 1,481,000.88 × 277,379.05
  4. Step 4: Simplify right side
    987,295.63x = 410,798,617,143.56
  5. Step 5: Solve for x
    x = 410,798,617,143.56/987,295.63
  6. Step 6: Final answer
    x = 416,084.71

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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.