Finding the Fourth Proportional to 742,571.73, 1,024,746.41 and 403,039.98
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Solution
The fourth proportional to 742,571.73, 1,024,746.41 and 403,039.98 is: 556,193.77
Step by Step Solution
- Step 1: Write the proportion equation
742,571.73 : 1,024,746.41 = 403,039.98 : x - Step 2: Convert to fraction form
742,571.73/1,024,746.41 = 403,039.98/x - Step 3: Cross multiply
742,571.73x = 1,024,746.41 × 403,039.98 - Step 4: Simplify right side
742,571.73x = 413,013,770,576.27 - Step 5: Solve for x
x = 413,013,770,576.27/742,571.73 - Step 6: Final answer
x = 556,193.77
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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.