Home / 843,556.41-1,265,334.62-212,519.43

Finding the Fourth Proportional to 843,556.41, 1,265,334.62 and 212,519.43

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Solution

The fourth proportional to 843,556.41, 1,265,334.62 and 212,519.43 is: 318,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,556.41 : 1,265,334.62 = 212,519.43 : x
  2. Step 2: Convert to fraction form
    843,556.41/1,265,334.62 = 212,519.43/x
  3. Step 3: Cross multiply
    843,556.41x = 1,265,334.62 × 212,519.43
  4. Step 4: Simplify right side
    843,556.41x = 268,908,191,139.07
  5. Step 5: Solve for x
    x = 268,908,191,139.07/843,556.41
  6. Step 6: Final answer
    x = 318,779.15

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Similar ratio
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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.