Finding the Fourth Proportional to 586,558.24, 809,447.52 and 318,286.24
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Solution
The fourth proportional to 586,558.24, 809,447.52 and 318,286.24 is: 439,233.46
Step by Step Solution
- Step 1: Write the proportion equation
586,558.24 : 809,447.52 = 318,286.24 : x - Step 2: Convert to fraction form
586,558.24/809,447.52 = 318,286.24/x - Step 3: Cross multiply
586,558.24x = 809,447.52 × 318,286.24 - Step 4: Simplify right side
586,558.24x = 257,636,007,618.13 - Step 5: Solve for x
x = 257,636,007,618.13/586,558.24 - Step 6: Final answer
x = 439,233.46
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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.