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Finding the Fourth Proportional to 611,096, 916,668.84 and 291,083.36

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Solution

The fourth proportional to 611,096, 916,668.84 and 291,083.36 is: 436,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,096 : 916,668.84 = 291,083.36 : x
  2. Step 2: Convert to fraction form
    611,096/916,668.84 = 291,083.36/x
  3. Step 3: Cross multiply
    611,096x = 916,668.84 × 291,083.36
  4. Step 4: Simplify right side
    611,096x = 266,827,045,954.50
  5. Step 5: Solve for x
    x = 266,827,045,954.50/611,096
  6. Step 6: Final answer
    x = 436,636.87

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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.