Finding the Fourth Proportional to 763,302.54, 1,150,440.36 and 657,957.99
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Solution
The fourth proportional to 763,302.54, 1,150,440.36 and 657,957.99 is: 991,666.33
Step by Step Solution
- Step 1: Write the proportion equation
763,302.54 : 1,150,440.36 = 657,957.99 : x - Step 2: Convert to fraction form
763,302.54/1,150,440.36 = 657,957.99/x - Step 3: Cross multiply
763,302.54x = 1,150,440.36 × 657,957.99 - Step 4: Simplify right side
763,302.54x = 756,941,426,880.48 - Step 5: Solve for x
x = 756,941,426,880.48/763,302.54 - Step 6: Final answer
x = 991,666.33
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.