Finding the Fourth Proportional to 638,138.70, 957,208.05 and 598,772.70
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Solution
The fourth proportional to 638,138.70, 957,208.05 and 598,772.70 is: 898,159.05
Step by Step Solution
- Step 1: Write the proportion equation
638,138.70 : 957,208.05 = 598,772.70 : x - Step 2: Convert to fraction form
638,138.70/957,208.05 = 598,772.70/x - Step 3: Cross multiply
638,138.70x = 957,208.05 × 598,772.70 - Step 4: Simplify right side
638,138.70x = 573,150,048,560.24 - Step 5: Solve for x
x = 573,150,048,560.24/638,138.70 - Step 6: Final answer
x = 898,159.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.