Home / 889,832.30-1,227,972.24-481,938.98

Finding the Fourth Proportional to 889,832.30, 1,227,972.24 and 481,938.98

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Solution

The fourth proportional to 889,832.30, 1,227,972.24 and 481,938.98 is: 665,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,832.30 : 1,227,972.24 = 481,938.98 : x
  2. Step 2: Convert to fraction form
    889,832.30/1,227,972.24 = 481,938.98/x
  3. Step 3: Cross multiply
    889,832.30x = 1,227,972.24 × 481,938.98
  4. Step 4: Simplify right side
    889,832.30x = 591,807,688,813.92
  5. Step 5: Solve for x
    x = 591,807,688,813.92/889,832.30
  6. Step 6: Final answer
    x = 665,077.78

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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.