Home / 889,730.78-1,227,829.61-481,833.28

Finding the Fourth Proportional to 889,730.78, 1,227,829.61 and 481,833.28

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Solution

The fourth proportional to 889,730.78, 1,227,829.61 and 481,833.28 is: 664,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,730.78 : 1,227,829.61 = 481,833.28 : x
  2. Step 2: Convert to fraction form
    889,730.78/1,227,829.61 = 481,833.28/x
  3. Step 3: Cross multiply
    889,730.78x = 1,227,829.61 × 481,833.28
  4. Step 4: Simplify right side
    889,730.78x = 591,609,159,719.11
  5. Step 5: Solve for x
    x = 591,609,159,719.11/889,730.78
  6. Step 6: Final answer
    x = 664,930.53

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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.