Finding the Fourth Proportional to 688,956.24, 1,032,876.72 and 215,397.84
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Solution
The fourth proportional to 688,956.24, 1,032,876.72 and 215,397.84 is: 322,922.42
Step by Step Solution
- Step 1: Write the proportion equation
688,956.24 : 1,032,876.72 = 215,397.84 : x - Step 2: Convert to fraction form
688,956.24/1,032,876.72 = 215,397.84/x - Step 3: Cross multiply
688,956.24x = 1,032,876.72 × 215,397.84 - Step 4: Simplify right side
688,956.24x = 222,479,414,474.29 - Step 5: Solve for x
x = 222,479,414,474.29/688,956.24 - Step 6: Final answer
x = 322,922.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.