Finding the Fourth Proportional to 586,396.63, 809,303.60 and 328,371.84
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Solution
The fourth proportional to 586,396.63, 809,303.60 and 328,371.84 is: 453,195.84
Step by Step Solution
- Step 1: Write the proportion equation
586,396.63 : 809,303.60 = 328,371.84 : x - Step 2: Convert to fraction form
586,396.63/809,303.60 = 328,371.84/x - Step 3: Cross multiply
586,396.63x = 809,303.60 × 328,371.84 - Step 4: Simplify right side
586,396.63x = 265,752,513,071.55 - Step 5: Solve for x
x = 265,752,513,071.55/586,396.63 - Step 6: Final answer
x = 453,195.84
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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.