Home / 850,531.68-1,275,354.57-401,131.89

Finding the Fourth Proportional to 850,531.68, 1,275,354.57 and 401,131.89

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Solution

The fourth proportional to 850,531.68, 1,275,354.57 and 401,131.89 is: 601,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,531.68 : 1,275,354.57 = 401,131.89 : x
  2. Step 2: Convert to fraction form
    850,531.68/1,275,354.57 = 401,131.89/x
  3. Step 3: Cross multiply
    850,531.68x = 1,275,354.57 × 401,131.89
  4. Step 4: Simplify right side
    850,531.68x = 511,585,389,084.24
  5. Step 5: Solve for x
    x = 511,585,389,084.24/850,531.68
  6. Step 6: Final answer
    x = 601,488.93

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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.