Home / 889,845.94-1,227,981.27-481,938.45

Finding the Fourth Proportional to 889,845.94, 1,227,981.27 and 481,938.45

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Solution

The fourth proportional to 889,845.94, 1,227,981.27 and 481,938.45 is: 665,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,845.94 : 1,227,981.27 = 481,938.45 : x
  2. Step 2: Convert to fraction form
    889,845.94/1,227,981.27 = 481,938.45/x
  3. Step 3: Cross multiply
    889,845.94x = 1,227,981.27 × 481,938.45
  4. Step 4: Simplify right side
    889,845.94x = 591,811,385,015.61
  5. Step 5: Solve for x
    x = 591,811,385,015.61/889,845.94
  6. Step 6: Final answer
    x = 665,071.74

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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.