Home / 779,622.30-1,168,449.30-379,401.30

Finding the Fourth Proportional to 779,622.30, 1,168,449.30 and 379,401.30

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Solution

The fourth proportional to 779,622.30, 1,168,449.30 and 379,401.30 is: 568,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,622.30 : 1,168,449.30 = 379,401.30 : x
  2. Step 2: Convert to fraction form
    779,622.30/1,168,449.30 = 379,401.30/x
  3. Step 3: Cross multiply
    779,622.30x = 1,168,449.30 × 379,401.30
  4. Step 4: Simplify right side
    779,622.30x = 443,311,183,404.09
  5. Step 5: Solve for x
    x = 443,311,183,404.09/779,622.30
  6. Step 6: Final answer
    x = 568,623.02

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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.