Home / 802,685.80-1,204,611.90-329,710.60

Finding the Fourth Proportional to 802,685.80, 1,204,611.90 and 329,710.60

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Solution

The fourth proportional to 802,685.80, 1,204,611.90 and 329,710.60 is: 494,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,685.80 : 1,204,611.90 = 329,710.60 : x
  2. Step 2: Convert to fraction form
    802,685.80/1,204,611.90 = 329,710.60/x
  3. Step 3: Cross multiply
    802,685.80x = 1,204,611.90 × 329,710.60
  4. Step 4: Simplify right side
    802,685.80x = 397,173,312,316.14
  5. Step 5: Solve for x
    x = 397,173,312,316.14/802,685.80
  6. Step 6: Final answer
    x = 494,805.45

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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.