Finding the Fourth Proportional to 671,318.42, 1,007,125.60 and 292,299.98
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Solution
The fourth proportional to 671,318.42, 1,007,125.60 and 292,299.98 is: 438,514.40
Step by Step Solution
- Step 1: Write the proportion equation
671,318.42 : 1,007,125.60 = 292,299.98 : x - Step 2: Convert to fraction form
671,318.42/1,007,125.60 = 292,299.98/x - Step 3: Cross multiply
671,318.42x = 1,007,125.60 × 292,299.98 - Step 4: Simplify right side
671,318.42x = 294,382,792,737.49 - Step 5: Solve for x
x = 294,382,792,737.49/671,318.42 - Step 6: Final answer
x = 438,514.40
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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.