Finding the Fourth Proportional to 726,457.36, 1,001,943.12 and 471,890.56
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Solution
The fourth proportional to 726,457.36, 1,001,943.12 and 471,890.56 is: 650,839.99
Step by Step Solution
- Step 1: Write the proportion equation
726,457.36 : 1,001,943.12 = 471,890.56 : x - Step 2: Convert to fraction form
726,457.36/1,001,943.12 = 471,890.56/x - Step 3: Cross multiply
726,457.36x = 1,001,943.12 × 471,890.56 - Step 4: Simplify right side
726,457.36x = 472,807,499,984.95 - Step 5: Solve for x
x = 472,807,499,984.95/726,457.36 - Step 6: Final answer
x = 650,839.99
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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.