Finding the Fourth Proportional to 586,628.70, 809,546.67 and 318,356.70
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Solution
The fourth proportional to 586,628.70, 809,546.67 and 318,356.70 is: 439,331.74
Step by Step Solution
- Step 1: Write the proportion equation
586,628.70 : 809,546.67 = 318,356.70 : x - Step 2: Convert to fraction form
586,628.70/809,546.67 = 318,356.70/x - Step 3: Cross multiply
586,628.70x = 809,546.67 × 318,356.70 - Step 4: Simplify right side
586,628.70x = 257,724,606,357.19 - Step 5: Solve for x
x = 257,724,606,357.19/586,628.70 - Step 6: Final answer
x = 439,331.74
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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.