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Finding the Fourth Proportional to 759,909.60, 1,140,092.64 and 227,448

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Solution

The fourth proportional to 759,909.60, 1,140,092.64 and 227,448 is: 341,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,909.60 : 1,140,092.64 = 227,448 : x
  2. Step 2: Convert to fraction form
    759,909.60/1,140,092.64 = 227,448/x
  3. Step 3: Cross multiply
    759,909.60x = 1,140,092.64 × 227,448
  4. Step 4: Simplify right side
    759,909.60x = 259,311,790,782.72
  5. Step 5: Solve for x
    x = 259,311,790,782.72/759,909.60
  6. Step 6: Final answer
    x = 341,240.31

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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.