Finding the Fourth Proportional to 853,365.95, 1,279,620.35 and 284,545.68
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Solution
The fourth proportional to 853,365.95, 1,279,620.35 and 284,545.68 is: 426,675.62
Step by Step Solution
- Step 1: Write the proportion equation
853,365.95 : 1,279,620.35 = 284,545.68 : x - Step 2: Convert to fraction form
853,365.95/1,279,620.35 = 284,545.68/x - Step 3: Cross multiply
853,365.95x = 1,279,620.35 × 284,545.68 - Step 4: Simplify right side
853,365.95x = 364,110,442,632.59 - Step 5: Solve for x
x = 364,110,442,632.59/853,365.95 - Step 6: Final answer
x = 426,675.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.