Finding the Fourth Proportional to 921,759.61, 1,272,033.70 and 534,805.44
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Solution
The fourth proportional to 921,759.61, 1,272,033.70 and 534,805.44 is: 738,034.66
Step by Step Solution
- Step 1: Write the proportion equation
921,759.61 : 1,272,033.70 = 534,805.44 : x - Step 2: Convert to fraction form
921,759.61/1,272,033.70 = 534,805.44/x - Step 3: Cross multiply
921,759.61x = 1,272,033.70 × 534,805.44 - Step 4: Simplify right side
921,759.61x = 680,290,541,909.53 - Step 5: Solve for x
x = 680,290,541,909.53/921,759.61 - Step 6: Final answer
x = 738,034.66
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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.