Home / 727,812.90-1,091,330.55-254,513.70

Finding the Fourth Proportional to 727,812.90, 1,091,330.55 and 254,513.70

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Solution

The fourth proportional to 727,812.90, 1,091,330.55 and 254,513.70 is: 381,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,812.90 : 1,091,330.55 = 254,513.70 : x
  2. Step 2: Convert to fraction form
    727,812.90/1,091,330.55 = 254,513.70/x
  3. Step 3: Cross multiply
    727,812.90x = 1,091,330.55 × 254,513.70
  4. Step 4: Simplify right side
    727,812.90x = 277,758,576,203.54
  5. Step 5: Solve for x
    x = 277,758,576,203.54/727,812.90
  6. Step 6: Final answer
    x = 381,634.59

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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.