Finding the Fourth Proportional to 620,752.82, 856,611.30 and 362,653.70
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Solution
The fourth proportional to 620,752.82, 856,611.30 and 362,653.70 is: 500,445.99
Step by Step Solution
- Step 1: Write the proportion equation
620,752.82 : 856,611.30 = 362,653.70 : x - Step 2: Convert to fraction form
620,752.82/856,611.30 = 362,653.70/x - Step 3: Cross multiply
620,752.82x = 856,611.30 × 362,653.70 - Step 4: Simplify right side
620,752.82x = 310,653,257,406.81 - Step 5: Solve for x
x = 310,653,257,406.81/620,752.82 - Step 6: Final answer
x = 500,445.99
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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.