Finding the Fourth Proportional to 853,309.04, 1,177,543.92 and 471,327.62
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Solution
The fourth proportional to 853,309.04, 1,177,543.92 and 471,327.62 is: 650,419.66
Step by Step Solution
- Step 1: Write the proportion equation
853,309.04 : 1,177,543.92 = 471,327.62 : x - Step 2: Convert to fraction form
853,309.04/1,177,543.92 = 471,327.62/x - Step 3: Cross multiply
853,309.04x = 1,177,543.92 × 471,327.62 - Step 4: Simplify right side
853,309.04x = 555,008,973,259.07 - Step 5: Solve for x
x = 555,008,973,259.07/853,309.04 - Step 6: Final answer
x = 650,419.66
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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.