Finding the Fourth Proportional to 586,571.09, 809,468.06 and 318,299.09
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Solution
The fourth proportional to 586,571.09, 809,468.06 and 318,299.09 is: 439,252.71
Step by Step Solution
- Step 1: Write the proportion equation
586,571.09 : 809,468.06 = 318,299.09 : x - Step 2: Convert to fraction form
586,571.09/809,468.06 = 318,299.09/x - Step 3: Cross multiply
586,571.09x = 809,468.06 × 318,299.09 - Step 4: Simplify right side
586,571.09x = 257,652,941,243.23 - Step 5: Solve for x
x = 257,652,941,243.23/586,571.09 - Step 6: Final answer
x = 439,252.71
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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.