Finding the Fourth Proportional to 627,624.18, 866,118.96 and 355,744.44
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Solution
The fourth proportional to 627,624.18, 866,118.96 and 355,744.44 is: 490,925.96
Step by Step Solution
- Step 1: Write the proportion equation
627,624.18 : 866,118.96 = 355,744.44 : x - Step 2: Convert to fraction form
627,624.18/866,118.96 = 355,744.44/x - Step 3: Cross multiply
627,624.18x = 866,118.96 × 355,744.44 - Step 4: Simplify right side
627,624.18x = 308,117,004,398.58 - Step 5: Solve for x
x = 308,117,004,398.58/627,624.18 - Step 6: Final answer
x = 490,925.96
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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.