Home / 889,835.30-1,227,976.38-481,941.98

Finding the Fourth Proportional to 889,835.30, 1,227,976.38 and 481,941.98

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Solution

The fourth proportional to 889,835.30, 1,227,976.38 and 481,941.98 is: 665,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,835.30 : 1,227,976.38 = 481,941.98 : x
  2. Step 2: Convert to fraction form
    889,835.30/1,227,976.38 = 481,941.98/x
  3. Step 3: Cross multiply
    889,835.30x = 1,227,976.38 × 481,941.98
  4. Step 4: Simplify right side
    889,835.30x = 591,813,367,970.43
  5. Step 5: Solve for x
    x = 591,813,367,970.43/889,835.30
  6. Step 6: Final answer
    x = 665,081.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.