Finding the Fourth Proportional to 635,725.68, 878,078.52 and 475,293.84
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Solution
The fourth proportional to 635,725.68, 878,078.52 and 475,293.84 is: 656,486.48
Step by Step Solution
- Step 1: Write the proportion equation
635,725.68 : 878,078.52 = 475,293.84 : x - Step 2: Convert to fraction form
635,725.68/878,078.52 = 475,293.84/x - Step 3: Cross multiply
635,725.68x = 878,078.52 × 475,293.84 - Step 4: Simplify right side
635,725.68x = 417,345,311,592.32 - Step 5: Solve for x
x = 417,345,311,592.32/635,725.68 - Step 6: Final answer
x = 656,486.48
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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.