Finding the Fourth Proportional to 532,436.08, 734,791.54 and 290,741.08
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Solution
The fourth proportional to 532,436.08, 734,791.54 and 290,741.08 is: 401,238.94
Step by Step Solution
- Step 1: Write the proportion equation
532,436.08 : 734,791.54 = 290,741.08 : x - Step 2: Convert to fraction form
532,436.08/734,791.54 = 290,741.08/x - Step 3: Cross multiply
532,436.08x = 734,791.54 × 290,741.08 - Step 4: Simplify right side
532,436.08x = 213,634,085,914.46 - Step 5: Solve for x
x = 213,634,085,914.46/532,436.08 - Step 6: Final answer
x = 401,238.94
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1.5x scale
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.