Finding the Fourth Proportional to 887,971.96, 1,225,414.74 and 505,990.60
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Solution
The fourth proportional to 887,971.96, 1,225,414.74 and 505,990.60 is: 698,274.68
Step by Step Solution
- Step 1: Write the proportion equation
887,971.96 : 1,225,414.74 = 505,990.60 : x - Step 2: Convert to fraction form
887,971.96/1,225,414.74 = 505,990.60/x - Step 3: Cross multiply
887,971.96x = 1,225,414.74 × 505,990.60 - Step 4: Simplify right side
887,971.96x = 620,048,339,541.44 - Step 5: Solve for x
x = 620,048,339,541.44/887,971.96 - Step 6: Final answer
x = 698,274.68
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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.