Finding the Fourth Proportional to 668,597.84, 922,609.68 and 366,791.84
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Solution
The fourth proportional to 668,597.84, 922,609.68 and 366,791.84 is: 506,142.38
Step by Step Solution
- Step 1: Write the proportion equation
668,597.84 : 922,609.68 = 366,791.84 : x - Step 2: Convert to fraction form
668,597.84/922,609.68 = 366,791.84/x - Step 3: Cross multiply
668,597.84x = 922,609.68 × 366,791.84 - Step 4: Simplify right side
668,597.84x = 338,405,702,129.01 - Step 5: Solve for x
x = 338,405,702,129.01/668,597.84 - Step 6: Final answer
x = 506,142.38
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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.