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Finding the Fourth Proportional to 619,578.90, 928,827 and 240,238.26

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Solution

The fourth proportional to 619,578.90, 928,827 and 240,238.26 is: 360,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,578.90 : 928,827 = 240,238.26 : x
  2. Step 2: Convert to fraction form
    619,578.90/928,827 = 240,238.26/x
  3. Step 3: Cross multiply
    619,578.90x = 928,827 × 240,238.26
  4. Step 4: Simplify right side
    619,578.90x = 223,139,782,321.02
  5. Step 5: Solve for x
    x = 223,139,782,321.02/619,578.90
  6. Step 6: Final answer
    x = 360,147.48

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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.