Finding the Fourth Proportional to 853,308.79, 1,177,543.57 and 471,327.37
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Solution
The fourth proportional to 853,308.79, 1,177,543.57 and 471,327.37 is: 650,419.31
Step by Step Solution
- Step 1: Write the proportion equation
853,308.79 : 1,177,543.57 = 471,327.37 : x - Step 2: Convert to fraction form
853,308.79/1,177,543.57 = 471,327.37/x - Step 3: Cross multiply
853,308.79x = 1,177,543.57 × 471,327.37 - Step 4: Simplify right side
853,308.79x = 555,008,513,908.51 - Step 5: Solve for x
x = 555,008,513,908.51/853,308.79 - Step 6: Final answer
x = 650,419.31
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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.