Finding the Fourth Proportional to 727,996.74, 1,004,339.58 and 483,096.99
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Solution
The fourth proportional to 727,996.74, 1,004,339.58 and 483,096.99 is: 666,477.47
Step by Step Solution
- Step 1: Write the proportion equation
727,996.74 : 1,004,339.58 = 483,096.99 : x - Step 2: Convert to fraction form
727,996.74/1,004,339.58 = 483,096.99/x - Step 3: Cross multiply
727,996.74x = 1,004,339.58 × 483,096.99 - Step 4: Simplify right side
727,996.74x = 485,193,428,035.86 - Step 5: Solve for x
x = 485,193,428,035.86/727,996.74 - Step 6: Final answer
x = 666,477.47
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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.