Home / 889,831.32-1,227,970.88-481,938

Finding the Fourth Proportional to 889,831.32, 1,227,970.88 and 481,938

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Solution

The fourth proportional to 889,831.32, 1,227,970.88 and 481,938 is: 665,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,831.32 : 1,227,970.88 = 481,938 : x
  2. Step 2: Convert to fraction form
    889,831.32/1,227,970.88 = 481,938/x
  3. Step 3: Cross multiply
    889,831.32x = 1,227,970.88 × 481,938
  4. Step 4: Simplify right side
    889,831.32x = 591,805,829,965.44
  5. Step 5: Solve for x
    x = 591,805,829,965.44/889,831.32
  6. Step 6: Final answer
    x = 665,076.42

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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.