Finding the Fourth Proportional to 742,888.48, 1,025,190.19 and 403,356.73
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Solution
The fourth proportional to 742,888.48, 1,025,190.19 and 403,356.73 is: 556,634.50
Step by Step Solution
- Step 1: Write the proportion equation
742,888.48 : 1,025,190.19 = 403,356.73 : x - Step 2: Convert to fraction form
742,888.48/1,025,190.19 = 403,356.73/x - Step 3: Cross multiply
742,888.48x = 1,025,190.19 × 403,356.73 - Step 4: Simplify right side
742,888.48x = 413,517,355,523.74 - Step 5: Solve for x
x = 413,517,355,523.74/742,888.48 - Step 6: Final answer
x = 556,634.50
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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.