Home / 870,917.54-1,306,376.42-271,930

Finding the Fourth Proportional to 870,917.54, 1,306,376.42 and 271,930

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Solution

The fourth proportional to 870,917.54, 1,306,376.42 and 271,930 is: 407,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,917.54 : 1,306,376.42 = 271,930 : x
  2. Step 2: Convert to fraction form
    870,917.54/1,306,376.42 = 271,930/x
  3. Step 3: Cross multiply
    870,917.54x = 1,306,376.42 × 271,930
  4. Step 4: Simplify right side
    870,917.54x = 355,242,938,530.95
  5. Step 5: Solve for x
    x = 355,242,938,530.95/870,917.54
  6. Step 6: Final answer
    x = 407,895.03

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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.