Finding the Fourth Proportional to 714,059.09, 985,368.88 and 391,762.53
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Solution
The fourth proportional to 714,059.09, 985,368.88 and 391,762.53 is: 540,614.37
Step by Step Solution
- Step 1: Write the proportion equation
714,059.09 : 985,368.88 = 391,762.53 : x - Step 2: Convert to fraction form
714,059.09/985,368.88 = 391,762.53/x - Step 3: Cross multiply
714,059.09x = 985,368.88 × 391,762.53 - Step 4: Simplify right side
714,059.09x = 386,030,603,453.25 - Step 5: Solve for x
x = 386,030,603,453.25/714,059.09 - Step 6: Final answer
x = 540,614.37
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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.