Home / 987,763.60-1,481,710.20-277,814.80

Finding the Fourth Proportional to 987,763.60, 1,481,710.20 and 277,814.80

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Solution

The fourth proportional to 987,763.60, 1,481,710.20 and 277,814.80 is: 416,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,763.60 : 1,481,710.20 = 277,814.80 : x
  2. Step 2: Convert to fraction form
    987,763.60/1,481,710.20 = 277,814.80/x
  3. Step 3: Cross multiply
    987,763.60x = 1,481,710.20 × 277,814.80
  4. Step 4: Simplify right side
    987,763.60x = 411,641,022,870.96
  5. Step 5: Solve for x
    x = 411,641,022,870.96/987,763.60
  6. Step 6: Final answer
    x = 416,740.43

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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.