Home / 688,180.56-1,032,270.46-214,906.48

Finding the Fourth Proportional to 688,180.56, 1,032,270.46 and 214,906.48

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Solution

The fourth proportional to 688,180.56, 1,032,270.46 and 214,906.48 is: 322,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,180.56 : 1,032,270.46 = 214,906.48 : x
  2. Step 2: Convert to fraction form
    688,180.56/1,032,270.46 = 214,906.48/x
  3. Step 3: Cross multiply
    688,180.56x = 1,032,270.46 × 214,906.48
  4. Step 4: Simplify right side
    688,180.56x = 221,841,610,966.58
  5. Step 5: Solve for x
    x = 221,841,610,966.58/688,180.56
  6. Step 6: Final answer
    x = 322,359.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.