Finding the Fourth Proportional to 853,310.40, 1,177,560.96 and 471,363.84
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Solution
The fourth proportional to 853,310.40, 1,177,560.96 and 471,363.84 is: 650,478.02
Step by Step Solution
- Step 1: Write the proportion equation
853,310.40 : 1,177,560.96 = 471,363.84 : x - Step 2: Convert to fraction form
853,310.40/1,177,560.96 = 471,363.84/x - Step 3: Cross multiply
853,310.40x = 1,177,560.96 × 471,363.84 - Step 4: Simplify right side
853,310.40x = 555,059,655,939.69 - Step 5: Solve for x
x = 555,059,655,939.69/853,310.40 - Step 6: Final answer
x = 650,478.02
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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.