Home / 493,824.04-681,532.48-278,977.95

Finding the Fourth Proportional to 493,824.04, 681,532.48 and 278,977.95

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Solution

The fourth proportional to 493,824.04, 681,532.48 and 278,977.95 is: 385,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,824.04 : 681,532.48 = 278,977.95 : x
  2. Step 2: Convert to fraction form
    493,824.04/681,532.48 = 278,977.95/x
  3. Step 3: Cross multiply
    493,824.04x = 681,532.48 × 278,977.95
  4. Step 4: Simplify right side
    493,824.04x = 190,132,534,477.54
  5. Step 5: Solve for x
    x = 190,132,534,477.54/493,824.04
  6. Step 6: Final answer
    x = 385,020.82

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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.