Finding the Fourth Proportional to 884,427.88, 1,220,553.74 and 497,365.12
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Solution
The fourth proportional to 884,427.88, 1,220,553.74 and 497,365.12 is: 686,388.20
Step by Step Solution
- Step 1: Write the proportion equation
884,427.88 : 1,220,553.74 = 497,365.12 : x - Step 2: Convert to fraction form
884,427.88/1,220,553.74 = 497,365.12/x - Step 3: Cross multiply
884,427.88x = 1,220,553.74 × 497,365.12 - Step 4: Simplify right side
884,427.88x = 607,060,857,361.55 - Step 5: Solve for x
x = 607,060,857,361.55/884,427.88 - Step 6: Final answer
x = 686,388.20
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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.