Home / 843,360-1,265,038.97-274,740.18

Finding the Fourth Proportional to 843,360, 1,265,038.97 and 274,740.18

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Solution

The fourth proportional to 843,360, 1,265,038.97 and 274,740.18 is: 412,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,360 : 1,265,038.97 = 274,740.18 : x
  2. Step 2: Convert to fraction form
    843,360/1,265,038.97 = 274,740.18/x
  3. Step 3: Cross multiply
    843,360x = 1,265,038.97 × 274,740.18
  4. Step 4: Simplify right side
    843,360x = 347,557,032,951.11
  5. Step 5: Solve for x
    x = 347,557,032,951.11/843,360
  6. Step 6: Final answer
    x = 412,109.93

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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.