Home / 987,970.57-1,482,077.05-277,999.29

Finding the Fourth Proportional to 987,970.57, 1,482,077.05 and 277,999.29

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Solution

The fourth proportional to 987,970.57, 1,482,077.05 and 277,999.29 is: 417,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,970.57 : 1,482,077.05 = 277,999.29 : x
  2. Step 2: Convert to fraction form
    987,970.57/1,482,077.05 = 277,999.29/x
  3. Step 3: Cross multiply
    987,970.57x = 1,482,077.05 × 277,999.29
  4. Step 4: Simplify right side
    987,970.57x = 412,016,366,930.30
  5. Step 5: Solve for x
    x = 412,016,366,930.30/987,970.57
  6. Step 6: Final answer
    x = 417,033.04

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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.