Home / 729,074.40-1,093,611.60-408,897.60

Finding the Fourth Proportional to 729,074.40, 1,093,611.60 and 408,897.60

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Solution

The fourth proportional to 729,074.40, 1,093,611.60 and 408,897.60 is: 613,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,074.40 : 1,093,611.60 = 408,897.60 : x
  2. Step 2: Convert to fraction form
    729,074.40/1,093,611.60 = 408,897.60/x
  3. Step 3: Cross multiply
    729,074.40x = 1,093,611.60 × 408,897.60
  4. Step 4: Simplify right side
    729,074.40x = 447,175,158,572.16
  5. Step 5: Solve for x
    x = 447,175,158,572.16/729,074.40
  6. Step 6: Final answer
    x = 613,346.40

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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.