Home / 758,536.06-1,137,136.20-309,634.34

Finding the Fourth Proportional to 758,536.06, 1,137,136.20 and 309,634.34

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Solution

The fourth proportional to 758,536.06, 1,137,136.20 and 309,634.34 is: 464,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,536.06 : 1,137,136.20 = 309,634.34 : x
  2. Step 2: Convert to fraction form
    758,536.06/1,137,136.20 = 309,634.34/x
  3. Step 3: Cross multiply
    758,536.06x = 1,137,136.20 × 309,634.34
  4. Step 4: Simplify right side
    758,536.06x = 352,096,416,777.11
  5. Step 5: Solve for x
    x = 352,096,416,777.11/758,536.06
  6. Step 6: Final answer
    x = 464,178.88

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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.