Finding the Fourth Proportional to 902,443.68, 1,245,373.74 and 494,480.70
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Solution
The fourth proportional to 902,443.68, 1,245,373.74 and 494,480.70 is: 682,384.17
Step by Step Solution
- Step 1: Write the proportion equation
902,443.68 : 1,245,373.74 = 494,480.70 : x - Step 2: Convert to fraction form
902,443.68/1,245,373.74 = 494,480.70/x - Step 3: Cross multiply
902,443.68x = 1,245,373.74 × 494,480.70 - Step 4: Simplify right side
902,443.68x = 615,813,278,716.82 - Step 5: Solve for x
x = 615,813,278,716.82/902,443.68 - Step 6: Final answer
x = 682,384.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.