Finding the Fourth Proportional to 585,913.60, 808,611.20 and 331,310.08
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Solution
The fourth proportional to 585,913.60, 808,611.20 and 331,310.08 is: 457,236.43
Step by Step Solution
- Step 1: Write the proportion equation
585,913.60 : 808,611.20 = 331,310.08 : x - Step 2: Convert to fraction form
585,913.60/808,611.20 = 331,310.08/x - Step 3: Cross multiply
585,913.60x = 808,611.20 × 331,310.08 - Step 4: Simplify right side
585,913.60x = 267,901,041,360.90 - Step 5: Solve for x
x = 267,901,041,360.90/585,913.60 - Step 6: Final answer
x = 457,236.43
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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.