Home / 987,295.40-1,481,000.52-277,378.80

Finding the Fourth Proportional to 987,295.40, 1,481,000.52 and 277,378.80

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Solution

The fourth proportional to 987,295.40, 1,481,000.52 and 277,378.80 is: 416,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,295.40 : 1,481,000.52 = 277,378.80 : x
  2. Step 2: Convert to fraction form
    987,295.40/1,481,000.52 = 277,378.80/x
  3. Step 3: Cross multiply
    987,295.40x = 1,481,000.52 × 277,378.80
  4. Step 4: Simplify right side
    987,295.40x = 410,798,147,036.98
  5. Step 5: Solve for x
    x = 410,798,147,036.98/987,295.40
  6. Step 6: Final answer
    x = 416,084.33

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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.