Finding the Fourth Proportional to 402,528.60, 600,778.63 and 395,884.96
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Solution
The fourth proportional to 402,528.60, 600,778.63 and 395,884.96 is: 590,862.92
Step by Step Solution
- Step 1: Write the proportion equation
402,528.60 : 600,778.63 = 395,884.96 : x - Step 2: Convert to fraction form
402,528.60/600,778.63 = 395,884.96/x - Step 3: Cross multiply
402,528.60x = 600,778.63 × 395,884.96 - Step 4: Simplify right side
402,528.60x = 237,839,223,906.41 - Step 5: Solve for x
x = 237,839,223,906.41/402,528.60 - Step 6: Final answer
x = 590,862.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.