Home / 680,900.58-1,021,186.85-301,611.60

Finding the Fourth Proportional to 680,900.58, 1,021,186.85 and 301,611.60

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Solution

The fourth proportional to 680,900.58, 1,021,186.85 and 301,611.60 is: 452,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,900.58 : 1,021,186.85 = 301,611.60 : x
  2. Step 2: Convert to fraction form
    680,900.58/1,021,186.85 = 301,611.60/x
  3. Step 3: Cross multiply
    680,900.58x = 1,021,186.85 × 301,611.60
  4. Step 4: Simplify right side
    680,900.58x = 308,001,798,219.40
  5. Step 5: Solve for x
    x = 308,001,798,219.40/680,900.58
  6. Step 6: Final answer
    x = 452,344.74

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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.