Finding the Fourth Proportional to 586,611.19, 809,523.44 and 318,339.19
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Solution
The fourth proportional to 586,611.19, 809,523.44 and 318,339.19 is: 439,308.08
Step by Step Solution
- Step 1: Write the proportion equation
586,611.19 : 809,523.44 = 318,339.19 : x - Step 2: Convert to fraction form
586,611.19/809,523.44 = 318,339.19/x - Step 3: Cross multiply
586,611.19x = 809,523.44 × 318,339.19 - Step 4: Simplify right side
586,611.19x = 257,703,036,175.61 - Step 5: Solve for x
x = 257,703,036,175.61/586,611.19 - Step 6: Final answer
x = 439,308.08
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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.