Home / 727,118.05-1,090,795.31-214,835.17

Finding the Fourth Proportional to 727,118.05, 1,090,795.31 and 214,835.17

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Solution

The fourth proportional to 727,118.05, 1,090,795.31 and 214,835.17 is: 322,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,118.05 : 1,090,795.31 = 214,835.17 : x
  2. Step 2: Convert to fraction form
    727,118.05/1,090,795.31 = 214,835.17/x
  3. Step 3: Cross multiply
    727,118.05x = 1,090,795.31 × 214,835.17
  4. Step 4: Simplify right side
    727,118.05x = 234,341,193,669.15
  5. Step 5: Solve for x
    x = 234,341,193,669.15/727,118.05
  6. Step 6: Final answer
    x = 322,287.69

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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.