Home / 889,570.29-1,227,606.86-481,672.11

Finding the Fourth Proportional to 889,570.29, 1,227,606.86 and 481,672.11

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Solution

The fourth proportional to 889,570.29, 1,227,606.86 and 481,672.11 is: 664,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,570.29 : 1,227,606.86 = 481,672.11 : x
  2. Step 2: Convert to fraction form
    889,570.29/1,227,606.86 = 481,672.11/x
  3. Step 3: Cross multiply
    889,570.29x = 1,227,606.86 × 481,672.11
  4. Step 4: Simplify right side
    889,570.29x = 591,303,987,710.86
  5. Step 5: Solve for x
    x = 591,303,987,710.86/889,570.29
  6. Step 6: Final answer
    x = 664,707.44

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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.