Home / 499,741.61-689,648.87-273,382.25

Finding the Fourth Proportional to 499,741.61, 689,648.87 and 273,382.25

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Solution

The fourth proportional to 499,741.61, 689,648.87 and 273,382.25 is: 377,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,741.61 : 689,648.87 = 273,382.25 : x
  2. Step 2: Convert to fraction form
    499,741.61/689,648.87 = 273,382.25/x
  3. Step 3: Cross multiply
    499,741.61x = 689,648.87 × 273,382.25
  4. Step 4: Simplify right side
    499,741.61x = 188,537,759,790.56
  5. Step 5: Solve for x
    x = 188,537,759,790.56/499,741.61
  6. Step 6: Final answer
    x = 377,270.49

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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.