Finding the Fourth Proportional to 506,409.44, 699,020.84 and 291,635.08
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Solution
The fourth proportional to 506,409.44, 699,020.84 and 291,635.08 is: 402,557.66
Step by Step Solution
- Step 1: Write the proportion equation
506,409.44 : 699,020.84 = 291,635.08 : x - Step 2: Convert to fraction form
506,409.44/699,020.84 = 291,635.08/x - Step 3: Cross multiply
506,409.44x = 699,020.84 × 291,635.08 - Step 4: Simplify right side
506,409.44x = 203,858,998,595.07 - Step 5: Solve for x
x = 203,858,998,595.07/506,409.44 - Step 6: Final answer
x = 402,557.66
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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.