Home / 539,027.85-743,175.45-355,237.83

Finding the Fourth Proportional to 539,027.85, 743,175.45 and 355,237.83

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Solution

The fourth proportional to 539,027.85, 743,175.45 and 355,237.83 is: 489,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,027.85 : 743,175.45 = 355,237.83 : x
  2. Step 2: Convert to fraction form
    539,027.85/743,175.45 = 355,237.83/x
  3. Step 3: Cross multiply
    539,027.85x = 743,175.45 × 355,237.83
  4. Step 4: Simplify right side
    539,027.85x = 264,004,034,167.27
  5. Step 5: Solve for x
    x = 264,004,034,167.27/539,027.85
  6. Step 6: Final answer
    x = 489,778.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.