Home / 493,453.44-680,963.04-278,591.52

Finding the Fourth Proportional to 493,453.44, 680,963.04 and 278,591.52

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Solution

The fourth proportional to 493,453.44, 680,963.04 and 278,591.52 is: 384,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,453.44 : 680,963.04 = 278,591.52 : x
  2. Step 2: Convert to fraction form
    493,453.44/680,963.04 = 278,591.52/x
  3. Step 3: Cross multiply
    493,453.44x = 680,963.04 × 278,591.52
  4. Step 4: Simplify right side
    493,453.44x = 189,710,528,377.42
  5. Step 5: Solve for x
    x = 189,710,528,377.42/493,453.44
  6. Step 6: Final answer
    x = 384,454.77

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1.5x scale

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.