Finding the Fourth Proportional to 938,053.75, 1,407,065.73 and 298,348.26
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Solution
The fourth proportional to 938,053.75, 1,407,065.73 and 298,348.26 is: 447,517.65
Step by Step Solution
- Step 1: Write the proportion equation
938,053.75 : 1,407,065.73 = 298,348.26 : x - Step 2: Convert to fraction form
938,053.75/1,407,065.73 = 298,348.26/x - Step 3: Cross multiply
938,053.75x = 1,407,065.73 × 298,348.26 - Step 4: Simplify right side
938,053.75x = 419,795,612,251.13 - Step 5: Solve for x
x = 419,795,612,251.13/938,053.75 - Step 6: Final answer
x = 447,517.65
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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.