Home / 771,416.75-1,156,901.67-231,651.25

Finding the Fourth Proportional to 771,416.75, 1,156,901.67 and 231,651.25

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Solution

The fourth proportional to 771,416.75, 1,156,901.67 and 231,651.25 is: 347,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,416.75 : 1,156,901.67 = 231,651.25 : x
  2. Step 2: Convert to fraction form
    771,416.75/1,156,901.67 = 231,651.25/x
  3. Step 3: Cross multiply
    771,416.75x = 1,156,901.67 × 231,651.25
  4. Step 4: Simplify right side
    771,416.75x = 267,997,715,090.33
  5. Step 5: Solve for x
    x = 267,997,715,090.33/771,416.75
  6. Step 6: Final answer
    x = 347,409.77

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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.