Home / 871,930.57-1,308,145.99-366,231.47

Finding the Fourth Proportional to 871,930.57, 1,308,145.99 and 366,231.47

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Solution

The fourth proportional to 871,930.57, 1,308,145.99 and 366,231.47 is: 549,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,930.57 : 1,308,145.99 = 366,231.47 : x
  2. Step 2: Convert to fraction form
    871,930.57/1,308,145.99 = 366,231.47/x
  3. Step 3: Cross multiply
    871,930.57x = 1,308,145.99 × 366,231.47
  4. Step 4: Simplify right side
    871,930.57x = 479,084,228,892.31
  5. Step 5: Solve for x
    x = 479,084,228,892.31/871,930.57
  6. Step 6: Final answer
    x = 549,452.27

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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.