Home / 985,596.22-1,478,576.68-311,847.14

Finding the Fourth Proportional to 985,596.22, 1,478,576.68 and 311,847.14

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Solution

The fourth proportional to 985,596.22, 1,478,576.68 and 311,847.14 is: 467,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,596.22 : 1,478,576.68 = 311,847.14 : x
  2. Step 2: Convert to fraction form
    985,596.22/1,478,576.68 = 311,847.14/x
  3. Step 3: Cross multiply
    985,596.22x = 1,478,576.68 × 311,847.14
  4. Step 4: Simplify right side
    985,596.22x = 461,089,908,928.70
  5. Step 5: Solve for x
    x = 461,089,908,928.70/985,596.22
  6. Step 6: Final answer
    x = 467,828.41

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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.