Finding the Fourth Proportional to 880,316.36, 1,214,841.63 and 517,755.50
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Solution
The fourth proportional to 880,316.36, 1,214,841.63 and 517,755.50 is: 714,505.56
Step by Step Solution
- Step 1: Write the proportion equation
880,316.36 : 1,214,841.63 = 517,755.50 : x - Step 2: Convert to fraction form
880,316.36/1,214,841.63 = 517,755.50/x - Step 3: Cross multiply
880,316.36x = 1,214,841.63 × 517,755.50 - Step 4: Simplify right side
880,316.36x = 628,990,929,487.26 - Step 5: Solve for x
x = 628,990,929,487.26/880,316.36 - Step 6: Final answer
x = 714,505.56
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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.