Finding the Fourth Proportional to 697,517.68, 1,043,557.16 and 611,445.26
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Solution
The fourth proportional to 697,517.68, 1,043,557.16 and 611,445.26 is: 914,784.09
Step by Step Solution
- Step 1: Write the proportion equation
697,517.68 : 1,043,557.16 = 611,445.26 : x - Step 2: Convert to fraction form
697,517.68/1,043,557.16 = 611,445.26/x - Step 3: Cross multiply
697,517.68x = 1,043,557.16 × 611,445.26 - Step 4: Simplify right side
697,517.68x = 638,078,079,021.06 - Step 5: Solve for x
x = 638,078,079,021.06/697,517.68 - Step 6: Final answer
x = 914,784.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.