Home / 727,086.98-1,090,124.53-322,059.31

Finding the Fourth Proportional to 727,086.98, 1,090,124.53 and 322,059.31

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Solution

The fourth proportional to 727,086.98, 1,090,124.53 and 322,059.31 is: 482,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,086.98 : 1,090,124.53 = 322,059.31 : x
  2. Step 2: Convert to fraction form
    727,086.98/1,090,124.53 = 322,059.31/x
  3. Step 3: Cross multiply
    727,086.98x = 1,090,124.53 × 322,059.31
  4. Step 4: Simplify right side
    727,086.98x = 351,084,750,415.42
  5. Step 5: Solve for x
    x = 351,084,750,415.42/727,086.98
  6. Step 6: Final answer
    x = 482,864.86

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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.