Home / 850,531.82-1,275,354.76-401,132.02

Finding the Fourth Proportional to 850,531.82, 1,275,354.76 and 401,132.02

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Solution

The fourth proportional to 850,531.82, 1,275,354.76 and 401,132.02 is: 601,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,531.82 : 1,275,354.76 = 401,132.02 : x
  2. Step 2: Convert to fraction form
    850,531.82/1,275,354.76 = 401,132.02/x
  3. Step 3: Cross multiply
    850,531.82x = 1,275,354.76 × 401,132.02
  4. Step 4: Simplify right side
    850,531.82x = 511,585,631,095.42
  5. Step 5: Solve for x
    x = 511,585,631,095.42/850,531.82
  6. Step 6: Final answer
    x = 601,489.11

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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.