Home / 684,421.74-1,026,371.25-273,965.58

Finding the Fourth Proportional to 684,421.74, 1,026,371.25 and 273,965.58

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Solution

The fourth proportional to 684,421.74, 1,026,371.25 and 273,965.58 is: 410,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,421.74 : 1,026,371.25 = 273,965.58 : x
  2. Step 2: Convert to fraction form
    684,421.74/1,026,371.25 = 273,965.58/x
  3. Step 3: Cross multiply
    684,421.74x = 1,026,371.25 × 273,965.58
  4. Step 4: Simplify right side
    684,421.74x = 281,190,394,801.58
  5. Step 5: Solve for x
    x = 281,190,394,801.58/684,421.74
  6. Step 6: Final answer
    x = 410,843.75

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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.