Finding the Fourth Proportional to 728,567.07, 1,092,188.97 and 254,994.09
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Solution
The fourth proportional to 728,567.07, 1,092,188.97 and 254,994.09 is: 382,259.57
Step by Step Solution
- Step 1: Write the proportion equation
728,567.07 : 1,092,188.97 = 254,994.09 : x - Step 2: Convert to fraction form
728,567.07/1,092,188.97 = 254,994.09/x - Step 3: Cross multiply
728,567.07x = 1,092,188.97 × 254,994.09 - Step 4: Simplify right side
728,567.07x = 278,501,732,513.19 - Step 5: Solve for x
x = 278,501,732,513.19/728,567.07 - Step 6: Final answer
x = 382,259.57
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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.