Finding the Fourth Proportional to 916,325.48, 1,264,571.76 and 572,365.08
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Solution
The fourth proportional to 916,325.48, 1,264,571.76 and 572,365.08 is: 789,890.42
Step by Step Solution
- Step 1: Write the proportion equation
916,325.48 : 1,264,571.76 = 572,365.08 : x - Step 2: Convert to fraction form
916,325.48/1,264,571.76 = 572,365.08/x - Step 3: Cross multiply
916,325.48x = 1,264,571.76 × 572,365.08 - Step 4: Simplify right side
916,325.48x = 723,796,716,578.14 - Step 5: Solve for x
x = 723,796,716,578.14/916,325.48 - Step 6: Final answer
x = 789,890.42
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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.