Finding the Fourth Proportional to 527,939.35, 728,546.80 and 298,492.68
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Solution
The fourth proportional to 527,939.35, 728,546.80 and 298,492.68 is: 411,914.53
Step by Step Solution
- Step 1: Write the proportion equation
527,939.35 : 728,546.80 = 298,492.68 : x - Step 2: Convert to fraction form
527,939.35/728,546.80 = 298,492.68/x - Step 3: Cross multiply
527,939.35x = 728,546.80 × 298,492.68 - Step 4: Simplify right side
527,939.35x = 217,465,886,837.42 - Step 5: Solve for x
x = 217,465,886,837.42/527,939.35 - Step 6: Final answer
x = 411,914.53
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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.