Home / 727,085.73-1,090,136.52-253,512.75

Finding the Fourth Proportional to 727,085.73, 1,090,136.52 and 253,512.75

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Solution

The fourth proportional to 727,085.73, 1,090,136.52 and 253,512.75 is: 380,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,085.73 : 1,090,136.52 = 253,512.75 : x
  2. Step 2: Convert to fraction form
    727,085.73/1,090,136.52 = 253,512.75/x
  3. Step 3: Cross multiply
    727,085.73x = 1,090,136.52 × 253,512.75
  4. Step 4: Simplify right side
    727,085.73x = 276,363,507,060.63
  5. Step 5: Solve for x
    x = 276,363,507,060.63/727,085.73
  6. Step 6: Final answer
    x = 380,097.55

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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.