Finding the Fourth Proportional to 747,219.64, 1,121,591.88 and 546,945.12
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Solution
The fourth proportional to 747,219.64, 1,121,591.88 and 546,945.12 is: 820,975.75
Step by Step Solution
- Step 1: Write the proportion equation
747,219.64 : 1,121,591.88 = 546,945.12 : x - Step 2: Convert to fraction form
747,219.64/1,121,591.88 = 546,945.12/x - Step 3: Cross multiply
747,219.64x = 1,121,591.88 × 546,945.12 - Step 4: Simplify right side
747,219.64x = 613,449,205,397.63 - Step 5: Solve for x
x = 613,449,205,397.63/747,219.64 - Step 6: Final answer
x = 820,975.75
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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.