Home / 493,454.09-680,682.40-297,083.86

Finding the Fourth Proportional to 493,454.09, 680,682.40 and 297,083.86

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Solution

The fourth proportional to 493,454.09, 680,682.40 and 297,083.86 is: 409,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,454.09 : 680,682.40 = 297,083.86 : x
  2. Step 2: Convert to fraction form
    493,454.09/680,682.40 = 297,083.86/x
  3. Step 3: Cross multiply
    493,454.09x = 680,682.40 × 297,083.86
  4. Step 4: Simplify right side
    493,454.09x = 202,219,753,340.65
  5. Step 5: Solve for x
    x = 202,219,753,340.65/493,454.09
  6. Step 6: Final answer
    x = 409,804.59

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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.