Home / 493,027.42-680,364.03-278,187.47

Finding the Fourth Proportional to 493,027.42, 680,364.03 and 278,187.47

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Solution

The fourth proportional to 493,027.42, 680,364.03 and 278,187.47 is: 383,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,027.42 : 680,364.03 = 278,187.47 : x
  2. Step 2: Convert to fraction form
    493,027.42/680,364.03 = 278,187.47/x
  3. Step 3: Cross multiply
    493,027.42x = 680,364.03 × 278,187.47
  4. Step 4: Simplify right side
    493,027.42x = 189,268,748,184.70
  5. Step 5: Solve for x
    x = 189,268,748,184.70/493,027.42
  6. Step 6: Final answer
    x = 383,890.92

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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.