Finding the Fourth Proportional to 586,376.36, 809,131.11 and 328,267.44
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Solution
The fourth proportional to 586,376.36, 809,131.11 and 328,267.44 is: 452,970.85
Step by Step Solution
- Step 1: Write the proportion equation
586,376.36 : 809,131.11 = 328,267.44 : x - Step 2: Convert to fraction form
586,376.36/809,131.11 = 328,267.44/x - Step 3: Cross multiply
586,376.36x = 809,131.11 × 328,267.44 - Step 4: Simplify right side
586,376.36x = 265,611,398,104.06 - Step 5: Solve for x
x = 265,611,398,104.06/586,376.36 - Step 6: Final answer
x = 452,970.85
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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.