Finding the Fourth Proportional to 529,944.05, 731,326.19 and 288,228.38
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Solution
The fourth proportional to 529,944.05, 731,326.19 and 288,228.38 is: 397,757.00
Step by Step Solution
- Step 1: Write the proportion equation
529,944.05 : 731,326.19 = 288,228.38 : x - Step 2: Convert to fraction form
529,944.05/731,326.19 = 288,228.38/x - Step 3: Cross multiply
529,944.05x = 731,326.19 × 288,228.38 - Step 4: Simplify right side
529,944.05x = 210,788,957,897.50 - Step 5: Solve for x
x = 210,788,957,897.50/529,944.05 - Step 6: Final answer
x = 397,757.00
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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.