Finding the Fourth Proportional to 670,705.92, 925,591.68 and 368,907.84
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Solution
The fourth proportional to 670,705.92, 925,591.68 and 368,907.84 is: 509,102.45
Step by Step Solution
- Step 1: Write the proportion equation
670,705.92 : 925,591.68 = 368,907.84 : x - Step 2: Convert to fraction form
670,705.92/925,591.68 = 368,907.84/x - Step 3: Cross multiply
670,705.92x = 925,591.68 × 368,907.84 - Step 4: Simplify right side
670,705.92x = 341,458,027,390.77 - Step 5: Solve for x
x = 341,458,027,390.77/670,705.92 - Step 6: Final answer
x = 509,102.45
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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.