Home / 850,522.88-1,275,341.36-401,123.07

Finding the Fourth Proportional to 850,522.88, 1,275,341.36 and 401,123.07

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Solution

The fourth proportional to 850,522.88, 1,275,341.36 and 401,123.07 is: 601,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,522.88 : 1,275,341.36 = 401,123.07 : x
  2. Step 2: Convert to fraction form
    850,522.88/1,275,341.36 = 401,123.07/x
  3. Step 3: Cross multiply
    850,522.88x = 1,275,341.36 × 401,123.07
  4. Step 4: Simplify right side
    850,522.88x = 511,568,839,615.56
  5. Step 5: Solve for x
    x = 511,568,839,615.56/850,522.88
  6. Step 6: Final answer
    x = 601,475.69

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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.