Finding the Fourth Proportional to 724,292.69, 999,571.66 and 418,381.94
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Solution
The fourth proportional to 724,292.69, 999,571.66 and 418,381.94 is: 577,394.66
Step by Step Solution
- Step 1: Write the proportion equation
724,292.69 : 999,571.66 = 418,381.94 : x - Step 2: Convert to fraction form
724,292.69/999,571.66 = 418,381.94/x - Step 3: Cross multiply
724,292.69x = 999,571.66 × 418,381.94 - Step 4: Simplify right side
724,292.69x = 418,202,731,732.80 - Step 5: Solve for x
x = 418,202,731,732.80/724,292.69 - Step 6: Final answer
x = 577,394.66
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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.