Finding the Fourth Proportional to 853,545.68, 1,177,372.50 and 547,519.04
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Solution
The fourth proportional to 853,545.68, 1,177,372.50 and 547,519.04 is: 755,242.37
Step by Step Solution
- Step 1: Write the proportion equation
853,545.68 : 1,177,372.50 = 547,519.04 : x - Step 2: Convert to fraction form
853,545.68/1,177,372.50 = 547,519.04/x - Step 3: Cross multiply
853,545.68x = 1,177,372.50 × 547,519.04 - Step 4: Simplify right side
853,545.68x = 644,633,860,922.40 - Step 5: Solve for x
x = 644,633,860,922.40/853,545.68 - Step 6: Final answer
x = 755,242.37
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1.5x scale
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.