Finding the Fourth Proportional to 843,382.60, 1,163,881.11 and 461,415.76
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Solution
The fourth proportional to 843,382.60, 1,163,881.11 and 461,415.76 is: 636,760.93
Step by Step Solution
- Step 1: Write the proportion equation
843,382.60 : 1,163,881.11 = 461,415.76 : x - Step 2: Convert to fraction form
843,382.60/1,163,881.11 = 461,415.76/x - Step 3: Cross multiply
843,382.60x = 1,163,881.11 × 461,415.76 - Step 4: Simplify right side
843,382.60x = 537,033,086,920.29 - Step 5: Solve for x
x = 537,033,086,920.29/843,382.60 - Step 6: Final answer
x = 636,760.93
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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.