Home / 868,557.87-1,303,100.19-419,194.98

Finding the Fourth Proportional to 868,557.87, 1,303,100.19 and 419,194.98

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Solution

The fourth proportional to 868,557.87, 1,303,100.19 and 419,194.98 is: 628,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,557.87 : 1,303,100.19 = 419,194.98 : x
  2. Step 2: Convert to fraction form
    868,557.87/1,303,100.19 = 419,194.98/x
  3. Step 3: Cross multiply
    868,557.87x = 1,303,100.19 × 419,194.98
  4. Step 4: Simplify right side
    868,557.87x = 546,253,058,085.05
  5. Step 5: Solve for x
    x = 546,253,058,085.05/868,557.87
  6. Step 6: Final answer
    x = 628,919.59

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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.