Finding the Fourth Proportional to 894,035.70, 1,233,762.62 and 486,137.79
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Solution
The fourth proportional to 894,035.70, 1,233,762.62 and 486,137.79 is: 670,866.53
Step by Step Solution
- Step 1: Write the proportion equation
894,035.70 : 1,233,762.62 = 486,137.79 : x - Step 2: Convert to fraction form
894,035.70/1,233,762.62 = 486,137.79/x - Step 3: Cross multiply
894,035.70x = 1,233,762.62 × 486,137.79 - Step 4: Simplify right side
894,035.70x = 599,778,631,040.72 - Step 5: Solve for x
x = 599,778,631,040.72/894,035.70 - Step 6: Final answer
x = 670,866.53
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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.