Home / 980,468.85-1,470,788.01-270,496.89

Finding the Fourth Proportional to 980,468.85, 1,470,788.01 and 270,496.89

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Solution

The fourth proportional to 980,468.85, 1,470,788.01 and 270,496.89 is: 405,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,468.85 : 1,470,788.01 = 270,496.89 : x
  2. Step 2: Convert to fraction form
    980,468.85/1,470,788.01 = 270,496.89/x
  3. Step 3: Cross multiply
    980,468.85x = 1,470,788.01 × 270,496.89
  4. Step 4: Simplify right side
    980,468.85x = 397,843,582,554.29
  5. Step 5: Solve for x
    x = 397,843,582,554.29/980,468.85
  6. Step 6: Final answer
    x = 405,768.71

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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.