Finding the Fourth Proportional to 728,976.19, 1,092,577.74 and 515,805.52
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Solution
The fourth proportional to 728,976.19, 1,092,577.74 and 515,805.52 is: 773,080.98
Step by Step Solution
- Step 1: Write the proportion equation
728,976.19 : 1,092,577.74 = 515,805.52 : x - Step 2: Convert to fraction form
728,976.19/1,092,577.74 = 515,805.52/x - Step 3: Cross multiply
728,976.19x = 1,092,577.74 × 515,805.52 - Step 4: Simplify right side
728,976.19x = 563,557,629,321.13 - Step 5: Solve for x
x = 563,557,629,321.13/728,976.19 - Step 6: Final answer
x = 773,080.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.