Home / 779,416.89-1,168,993.58-218,322.33

Finding the Fourth Proportional to 779,416.89, 1,168,993.58 and 218,322.33

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Solution

The fourth proportional to 779,416.89, 1,168,993.58 and 218,322.33 is: 327,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,416.89 : 1,168,993.58 = 218,322.33 : x
  2. Step 2: Convert to fraction form
    779,416.89/1,168,993.58 = 218,322.33/x
  3. Step 3: Cross multiply
    779,416.89x = 1,168,993.58 × 218,322.33
  4. Step 4: Simplify right side
    779,416.89x = 255,217,401,049.03
  5. Step 5: Solve for x
    x = 255,217,401,049.03/779,416.89
  6. Step 6: Final answer
    x = 327,446.59

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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.