Home / 782,563.16-1,173,813.89-277,103.72

Finding the Fourth Proportional to 782,563.16, 1,173,813.89 and 277,103.72

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Solution

The fourth proportional to 782,563.16, 1,173,813.89 and 277,103.72 is: 415,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,563.16 : 1,173,813.89 = 277,103.72 : x
  2. Step 2: Convert to fraction form
    782,563.16/1,173,813.89 = 277,103.72/x
  3. Step 3: Cross multiply
    782,563.16x = 1,173,813.89 × 277,103.72
  4. Step 4: Simplify right side
    782,563.16x = 325,268,188,252.08
  5. Step 5: Solve for x
    x = 325,268,188,252.08/782,563.16
  6. Step 6: Final answer
    x = 415,644.65

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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.