Home / 889,731.78-1,227,830.99-481,834.28

Finding the Fourth Proportional to 889,731.78, 1,227,830.99 and 481,834.28

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Solution

The fourth proportional to 889,731.78, 1,227,830.99 and 481,834.28 is: 664,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,731.78 : 1,227,830.99 = 481,834.28 : x
  2. Step 2: Convert to fraction form
    889,731.78/1,227,830.99 = 481,834.28/x
  3. Step 3: Cross multiply
    889,731.78x = 1,227,830.99 × 481,834.28
  4. Step 4: Simplify right side
    889,731.78x = 591,611,061,028.34
  5. Step 5: Solve for x
    x = 591,611,061,028.34/889,731.78
  6. Step 6: Final answer
    x = 664,931.92

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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.