Home / 725,908.44-1,089,084.20-371,171.64

Finding the Fourth Proportional to 725,908.44, 1,089,084.20 and 371,171.64

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Solution

The fourth proportional to 725,908.44, 1,089,084.20 and 371,171.64 is: 556,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,908.44 : 1,089,084.20 = 371,171.64 : x
  2. Step 2: Convert to fraction form
    725,908.44/1,089,084.20 = 371,171.64/x
  3. Step 3: Cross multiply
    725,908.44x = 1,089,084.20 × 371,171.64
  4. Step 4: Simplify right side
    725,908.44x = 404,237,166,756.23
  5. Step 5: Solve for x
    x = 404,237,166,756.23/725,908.44
  6. Step 6: Final answer
    x = 556,870.74

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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.