Finding the Fourth Proportional to 843,432.96, 1,163,972.16 and 461,493.12
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Solution
The fourth proportional to 843,432.96, 1,163,972.16 and 461,493.12 is: 636,879.48
Step by Step Solution
- Step 1: Write the proportion equation
843,432.96 : 1,163,972.16 = 461,493.12 : x - Step 2: Convert to fraction form
843,432.96/1,163,972.16 = 461,493.12/x - Step 3: Cross multiply
843,432.96x = 1,163,972.16 × 461,493.12 - Step 4: Simplify right side
843,432.96x = 537,165,143,711.54 - Step 5: Solve for x
x = 537,165,143,711.54/843,432.96 - Step 6: Final answer
x = 636,879.48
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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.