Home / 680,611.62-1,019,133.80-479,845.02

Finding the Fourth Proportional to 680,611.62, 1,019,133.80 and 479,845.02

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Solution

The fourth proportional to 680,611.62, 1,019,133.80 and 479,845.02 is: 718,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,611.62 : 1,019,133.80 = 479,845.02 : x
  2. Step 2: Convert to fraction form
    680,611.62/1,019,133.80 = 479,845.02/x
  3. Step 3: Cross multiply
    680,611.62x = 1,019,133.80 × 479,845.02
  4. Step 4: Simplify right side
    680,611.62x = 489,026,278,643.68
  5. Step 5: Solve for x
    x = 489,026,278,643.68/680,611.62
  6. Step 6: Final answer
    x = 718,510.03

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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.