Home / 671,556.12-1,007,443.62-198,289.32

Finding the Fourth Proportional to 671,556.12, 1,007,443.62 and 198,289.32

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Solution

The fourth proportional to 671,556.12, 1,007,443.62 and 198,289.32 is: 297,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,556.12 : 1,007,443.62 = 198,289.32 : x
  2. Step 2: Convert to fraction form
    671,556.12/1,007,443.62 = 198,289.32/x
  3. Step 3: Cross multiply
    671,556.12x = 1,007,443.62 × 198,289.32
  4. Step 4: Simplify right side
    671,556.12x = 199,765,310,348.14
  5. Step 5: Solve for x
    x = 199,765,310,348.14/671,556.12
  6. Step 6: Final answer
    x = 297,466.29

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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.