Finding the Fourth Proportional to 832,272.96, 1,247,411.52 and 477,531.84
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Solution
The fourth proportional to 832,272.96, 1,247,411.52 and 477,531.84 is: 715,725.19
Step by Step Solution
- Step 1: Write the proportion equation
832,272.96 : 1,247,411.52 = 477,531.84 : x - Step 2: Convert to fraction form
832,272.96/1,247,411.52 = 477,531.84/x - Step 3: Cross multiply
832,272.96x = 1,247,411.52 × 477,531.84 - Step 4: Simplify right side
832,272.96x = 595,678,718,382.80 - Step 5: Solve for x
x = 595,678,718,382.80/832,272.96 - Step 6: Final answer
x = 715,725.19
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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.