Home / 890,297.73-1,227,617.27-644,796.96

Finding the Fourth Proportional to 890,297.73, 1,227,617.27 and 644,796.96

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Solution

The fourth proportional to 890,297.73, 1,227,617.27 and 644,796.96 is: 889,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,297.73 : 1,227,617.27 = 644,796.96 : x
  2. Step 2: Convert to fraction form
    890,297.73/1,227,617.27 = 644,796.96/x
  3. Step 3: Cross multiply
    890,297.73x = 1,227,617.27 × 644,796.96
  4. Step 4: Simplify right side
    890,297.73x = 791,563,878,329.94
  5. Step 5: Solve for x
    x = 791,563,878,329.94/890,297.73
  6. Step 6: Final answer
    x = 889,100.19

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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.