Finding the Fourth Proportional to 903,212.62, 1,354,818.93 and 304,123.62
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Solution
The fourth proportional to 903,212.62, 1,354,818.93 and 304,123.62 is: 456,185.43
Step by Step Solution
- Step 1: Write the proportion equation
903,212.62 : 1,354,818.93 = 304,123.62 : x - Step 2: Convert to fraction form
903,212.62/1,354,818.93 = 304,123.62/x - Step 3: Cross multiply
903,212.62x = 1,354,818.93 × 304,123.62 - Step 4: Simplify right side
903,212.62x = 412,032,437,436.13 - Step 5: Solve for x
x = 412,032,437,436.13/903,212.62 - Step 6: Final answer
x = 456,185.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.