Home / 889,798.84-1,227,916.28-481,891.32

Finding the Fourth Proportional to 889,798.84, 1,227,916.28 and 481,891.32

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Solution

The fourth proportional to 889,798.84, 1,227,916.28 and 481,891.32 is: 665,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,798.84 : 1,227,916.28 = 481,891.32 : x
  2. Step 2: Convert to fraction form
    889,798.84/1,227,916.28 = 481,891.32/x
  3. Step 3: Cross multiply
    889,798.84x = 1,227,916.28 × 481,891.32
  4. Step 4: Simplify right side
    889,798.84x = 591,722,197,018.69
  5. Step 5: Solve for x
    x = 591,722,197,018.69/889,798.84
  6. Step 6: Final answer
    x = 665,006.71

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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.