Finding the Fourth Proportional to 853,363.47, 1,177,922.24 and 679,253.05
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Solution
The fourth proportional to 853,363.47, 1,177,922.24 and 679,253.05 is: 937,592.60
Step by Step Solution
- Step 1: Write the proportion equation
853,363.47 : 1,177,922.24 = 679,253.05 : x - Step 2: Convert to fraction form
853,363.47/1,177,922.24 = 679,253.05/x - Step 3: Cross multiply
853,363.47x = 1,177,922.24 × 679,253.05 - Step 4: Simplify right side
853,363.47x = 800,107,274,182.83 - Step 5: Solve for x
x = 800,107,274,182.83/853,363.47 - Step 6: Final answer
x = 937,592.60
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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.