Home / 877,183.80-1,315,631.48-308,431.24

Finding the Fourth Proportional to 877,183.80, 1,315,631.48 and 308,431.24

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Solution

The fourth proportional to 877,183.80, 1,315,631.48 and 308,431.24 is: 462,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,183.80 : 1,315,631.48 = 308,431.24 : x
  2. Step 2: Convert to fraction form
    877,183.80/1,315,631.48 = 308,431.24/x
  3. Step 3: Cross multiply
    877,183.80x = 1,315,631.48 × 308,431.24
  4. Step 4: Simplify right side
    877,183.80x = 405,781,848,759.44
  5. Step 5: Solve for x
    x = 405,781,848,759.44/877,183.80
  6. Step 6: Final answer
    x = 462,596.15

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1.5x scale

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.