Finding the Fourth Proportional to 762,368.79, 1,052,099.93 and 456,384.26
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Solution
The fourth proportional to 762,368.79, 1,052,099.93 and 456,384.26 is: 629,828.83
Step by Step Solution
- Step 1: Write the proportion equation
762,368.79 : 1,052,099.93 = 456,384.26 : x - Step 2: Convert to fraction form
762,368.79/1,052,099.93 = 456,384.26/x - Step 3: Cross multiply
762,368.79x = 1,052,099.93 × 456,384.26 - Step 4: Simplify right side
762,368.79x = 480,161,843,879.56 - Step 5: Solve for x
x = 480,161,843,879.56/762,368.79 - Step 6: Final answer
x = 629,828.83
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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.