Finding the Fourth Proportional to 444,318.60, 613,257.84 and 306,690.60
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Solution
The fourth proportional to 444,318.60, 613,257.84 and 306,690.60 is: 423,300.79
Step by Step Solution
- Step 1: Write the proportion equation
444,318.60 : 613,257.84 = 306,690.60 : x - Step 2: Convert to fraction form
444,318.60/613,257.84 = 306,690.60/x - Step 3: Cross multiply
444,318.60x = 613,257.84 × 306,690.60 - Step 4: Simplify right side
444,318.60x = 188,080,414,904.30 - Step 5: Solve for x
x = 188,080,414,904.30/444,318.60 - Step 6: Final answer
x = 423,300.79
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1.5x scale
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.