Finding the Fourth Proportional to 661,304.25, 912,601.08 and 374,850.99
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Solution
The fourth proportional to 661,304.25, 912,601.08 and 374,850.99 is: 517,295.05
Step by Step Solution
- Step 1: Write the proportion equation
661,304.25 : 912,601.08 = 374,850.99 : x - Step 2: Convert to fraction form
661,304.25/912,601.08 = 374,850.99/x - Step 3: Cross multiply
661,304.25x = 912,601.08 × 374,850.99 - Step 4: Simplify right side
661,304.25x = 342,089,418,313.07 - Step 5: Solve for x
x = 342,089,418,313.07/661,304.25 - Step 6: Final answer
x = 517,295.05
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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.