Home / 850,396.42-1,275,623.79-450,496.18

Finding the Fourth Proportional to 850,396.42, 1,275,623.79 and 450,496.18

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Solution

The fourth proportional to 850,396.42, 1,275,623.79 and 450,496.18 is: 675,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,396.42 : 1,275,623.79 = 450,496.18 : x
  2. Step 2: Convert to fraction form
    850,396.42/1,275,623.79 = 450,496.18/x
  3. Step 3: Cross multiply
    850,396.42x = 1,275,623.79 × 450,496.18
  4. Step 4: Simplify right side
    850,396.42x = 574,663,644,512.12
  5. Step 5: Solve for x
    x = 574,663,644,512.12/850,396.42
  6. Step 6: Final answer
    x = 675,759.72

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1.5x scale

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.