Finding the Fourth Proportional to 742,571.96, 1,024,664.18 and 415,839.42
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Solution
The fourth proportional to 742,571.96, 1,024,664.18 and 415,839.42 is: 573,810.73
Step by Step Solution
- Step 1: Write the proportion equation
742,571.96 : 1,024,664.18 = 415,839.42 : x - Step 2: Convert to fraction form
742,571.96/1,024,664.18 = 415,839.42/x - Step 3: Cross multiply
742,571.96x = 1,024,664.18 × 415,839.42 - Step 4: Simplify right side
742,571.96x = 426,095,756,226.78 - Step 5: Solve for x
x = 426,095,756,226.78/742,571.96 - Step 6: Final answer
x = 573,810.73
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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.