Home / 759,235.69-1,139,137.85-394,269.85

Finding the Fourth Proportional to 759,235.69, 1,139,137.85 and 394,269.85

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Solution

The fourth proportional to 759,235.69, 1,139,137.85 and 394,269.85 is: 591,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,235.69 : 1,139,137.85 = 394,269.85 : x
  2. Step 2: Convert to fraction form
    759,235.69/1,139,137.85 = 394,269.85/x
  3. Step 3: Cross multiply
    759,235.69x = 1,139,137.85 × 394,269.85
  4. Step 4: Simplify right side
    759,235.69x = 449,127,709,248.82
  5. Step 5: Solve for x
    x = 449,127,709,248.82/759,235.69
  6. Step 6: Final answer
    x = 591,552.42

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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.