Home / 727,089.73-1,090,142.52-253,516.75

Finding the Fourth Proportional to 727,089.73, 1,090,142.52 and 253,516.75

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Solution

The fourth proportional to 727,089.73, 1,090,142.52 and 253,516.75 is: 380,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,089.73 : 1,090,142.52 = 253,516.75 : x
  2. Step 2: Convert to fraction form
    727,089.73/1,090,142.52 = 253,516.75/x
  3. Step 3: Cross multiply
    727,089.73x = 1,090,142.52 × 253,516.75
  4. Step 4: Simplify right side
    727,089.73x = 276,369,388,707.21
  5. Step 5: Solve for x
    x = 276,369,388,707.21/727,089.73
  6. Step 6: Final answer
    x = 380,103.55

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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.