Finding the Fourth Proportional to 691,787.24, 954,663.93 and 385,863.38
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Solution
The fourth proportional to 691,787.24, 954,663.93 and 385,863.38 is: 532,490.09
Step by Step Solution
- Step 1: Write the proportion equation
691,787.24 : 954,663.93 = 385,863.38 : x - Step 2: Convert to fraction form
691,787.24/954,663.93 = 385,863.38/x - Step 3: Cross multiply
691,787.24x = 954,663.93 × 385,863.38 - Step 4: Simplify right side
691,787.24x = 368,369,846,020.56 - Step 5: Solve for x
x = 368,369,846,020.56/691,787.24 - Step 6: Final answer
x = 532,490.09
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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.