Home / 772,756.91-1,159,004.13-204,144.20

Finding the Fourth Proportional to 772,756.91, 1,159,004.13 and 204,144.20

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Solution

The fourth proportional to 772,756.91, 1,159,004.13 and 204,144.20 is: 306,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,756.91 : 1,159,004.13 = 204,144.20 : x
  2. Step 2: Convert to fraction form
    772,756.91/1,159,004.13 = 204,144.20/x
  3. Step 3: Cross multiply
    772,756.91x = 1,159,004.13 × 204,144.20
  4. Step 4: Simplify right side
    772,756.91x = 236,603,970,915.55
  5. Step 5: Solve for x
    x = 236,603,970,915.55/772,756.91
  6. Step 6: Final answer
    x = 306,181.63

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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.