Home / 965,321.60-1,447,975.20-291,401.60

Finding the Fourth Proportional to 965,321.60, 1,447,975.20 and 291,401.60

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Solution

The fourth proportional to 965,321.60, 1,447,975.20 and 291,401.60 is: 437,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,321.60 : 1,447,975.20 = 291,401.60 : x
  2. Step 2: Convert to fraction form
    965,321.60/1,447,975.20 = 291,401.60/x
  3. Step 3: Cross multiply
    965,321.60x = 1,447,975.20 × 291,401.60
  4. Step 4: Simplify right side
    965,321.60x = 421,942,290,040.32
  5. Step 5: Solve for x
    x = 421,942,290,040.32/965,321.60
  6. Step 6: Final answer
    x = 437,100.23

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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.