Home / 754,765.67-1,132,021.40-214,984.01

Finding the Fourth Proportional to 754,765.67, 1,132,021.40 and 214,984.01

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Solution

The fourth proportional to 754,765.67, 1,132,021.40 and 214,984.01 is: 322,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,765.67 : 1,132,021.40 = 214,984.01 : x
  2. Step 2: Convert to fraction form
    754,765.67/1,132,021.40 = 214,984.01/x
  3. Step 3: Cross multiply
    754,765.67x = 1,132,021.40 × 214,984.01
  4. Step 4: Simplify right side
    754,765.67x = 243,366,501,732.95
  5. Step 5: Solve for x
    x = 243,366,501,732.95/754,765.67
  6. Step 6: Final answer
    x = 322,439.81

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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.