Home / 1,147,929.72-1,721,298.82-338,209.04

Finding the Fourth Proportional to 1,147,929.72, 1,721,298.82 and 338,209.04

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Solution

The fourth proportional to 1,147,929.72, 1,721,298.82 and 338,209.04 is: 507,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,929.72 : 1,721,298.82 = 338,209.04 : x
  2. Step 2: Convert to fraction form
    1,147,929.72/1,721,298.82 = 338,209.04/x
  3. Step 3: Cross multiply
    1,147,929.72x = 1,721,298.82 × 338,209.04
  4. Step 4: Simplify right side
    1,147,929.72x = 582,158,821,465.33
  5. Step 5: Solve for x
    x = 582,158,821,465.33/1,147,929.72
  6. Step 6: Final answer
    x = 507,138.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.