Finding the Fourth Proportional to 742,835.68, 1,114,696.26 and 269,557.96
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Solution
The fourth proportional to 742,835.68, 1,114,696.26 and 269,557.96 is: 404,497.60
Step by Step Solution
- Step 1: Write the proportion equation
742,835.68 : 1,114,696.26 = 269,557.96 : x - Step 2: Convert to fraction form
742,835.68/1,114,696.26 = 269,557.96/x - Step 3: Cross multiply
742,835.68x = 1,114,696.26 × 269,557.96 - Step 4: Simplify right side
742,835.68x = 300,475,249,865.23 - Step 5: Solve for x
x = 300,475,249,865.23/742,835.68 - Step 6: Final answer
x = 404,497.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.