Finding the Fourth Proportional to 734,538.18, 1,013,664.64 and 407,851.79
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Solution
The fourth proportional to 734,538.18, 1,013,664.64 and 407,851.79 is: 562,836.56
Step by Step Solution
- Step 1: Write the proportion equation
734,538.18 : 1,013,664.64 = 407,851.79 : x - Step 2: Convert to fraction form
734,538.18/1,013,664.64 = 407,851.79/x - Step 3: Cross multiply
734,538.18x = 1,013,664.64 × 407,851.79 - Step 4: Simplify right side
734,538.18x = 413,424,939,398.24 - Step 5: Solve for x
x = 413,424,939,398.24/734,538.18 - Step 6: Final answer
x = 562,836.56
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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.