Home / 699,183.48-1,048,843.38-278,360.76

Finding the Fourth Proportional to 699,183.48, 1,048,843.38 and 278,360.76

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Solution

The fourth proportional to 699,183.48, 1,048,843.38 and 278,360.76 is: 417,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,183.48 : 1,048,843.38 = 278,360.76 : x
  2. Step 2: Convert to fraction form
    699,183.48/1,048,843.38 = 278,360.76/x
  3. Step 3: Cross multiply
    699,183.48x = 1,048,843.38 × 278,360.76
  4. Step 4: Simplify right side
    699,183.48x = 291,956,840,377.77
  5. Step 5: Solve for x
    x = 291,956,840,377.77/699,183.48
  6. Step 6: Final answer
    x = 417,568.28

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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.