Finding the Fourth Proportional to 590,784.80, 815,286.34 and 336,135.98
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Solution
The fourth proportional to 590,784.80, 815,286.34 and 336,135.98 is: 463,869.54
Step by Step Solution
- Step 1: Write the proportion equation
590,784.80 : 815,286.34 = 336,135.98 : x - Step 2: Convert to fraction form
590,784.80/815,286.34 = 336,135.98/x - Step 3: Cross multiply
590,784.80x = 815,286.34 × 336,135.98 - Step 4: Simplify right side
590,784.80x = 274,047,071,195.83 - Step 5: Solve for x
x = 274,047,071,195.83/590,784.80 - Step 6: Final answer
x = 463,869.54
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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.