Home / 809,472.88-1,214,173.32-277,041.52

Finding the Fourth Proportional to 809,472.88, 1,214,173.32 and 277,041.52

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Solution

The fourth proportional to 809,472.88, 1,214,173.32 and 277,041.52 is: 415,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,472.88 : 1,214,173.32 = 277,041.52 : x
  2. Step 2: Convert to fraction form
    809,472.88/1,214,173.32 = 277,041.52/x
  3. Step 3: Cross multiply
    809,472.88x = 1,214,173.32 × 277,041.52
  4. Step 4: Simplify right side
    809,472.88x = 336,376,422,116.25
  5. Step 5: Solve for x
    x = 336,376,422,116.25/809,472.88
  6. Step 6: Final answer
    x = 415,549.96

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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.