Home / 801,710.70-1,201,183.65-380,078.70

Finding the Fourth Proportional to 801,710.70, 1,201,183.65 and 380,078.70

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Solution

The fourth proportional to 801,710.70, 1,201,183.65 and 380,078.70 is: 569,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,710.70 : 1,201,183.65 = 380,078.70 : x
  2. Step 2: Convert to fraction form
    801,710.70/1,201,183.65 = 380,078.70/x
  3. Step 3: Cross multiply
    801,710.70x = 1,201,183.65 × 380,078.70
  4. Step 4: Simplify right side
    801,710.70x = 456,544,320,153.26
  5. Step 5: Solve for x
    x = 456,544,320,153.26/801,710.70
  6. Step 6: Final answer
    x = 569,462.68

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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.