Finding the Fourth Proportional to 506,905.93, 699,502.39 and 289,082.62
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Solution
The fourth proportional to 506,905.93, 699,502.39 and 289,082.62 is: 398,918.17
Step by Step Solution
- Step 1: Write the proportion equation
506,905.93 : 699,502.39 = 289,082.62 : x - Step 2: Convert to fraction form
506,905.93/699,502.39 = 289,082.62/x - Step 3: Cross multiply
506,905.93x = 699,502.39 × 289,082.62 - Step 4: Simplify right side
506,905.93x = 202,213,983,597.46 - Step 5: Solve for x
x = 202,213,983,597.46/506,905.93 - Step 6: Final answer
x = 398,918.17
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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.