Finding the Fourth Proportional to 788,214.78, 1,086,597.99 and 561,466.62
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Solution
The fourth proportional to 788,214.78, 1,086,597.99 and 561,466.62 is: 774,013.02
Step by Step Solution
- Step 1: Write the proportion equation
788,214.78 : 1,086,597.99 = 561,466.62 : x - Step 2: Convert to fraction form
788,214.78/1,086,597.99 = 561,466.62/x - Step 3: Cross multiply
788,214.78x = 1,086,597.99 × 561,466.62 - Step 4: Simplify right side
788,214.78x = 610,088,500,744.09 - Step 5: Solve for x
x = 610,088,500,744.09/788,214.78 - Step 6: Final answer
x = 774,013.02
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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.