Finding the Fourth Proportional to 843,171.84, 1,163,552.40 and 461,190.36
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Solution
The fourth proportional to 843,171.84, 1,163,552.40 and 461,190.36 is: 636,429.17
Step by Step Solution
- Step 1: Write the proportion equation
843,171.84 : 1,163,552.40 = 461,190.36 : x - Step 2: Convert to fraction form
843,171.84/1,163,552.40 = 461,190.36/x - Step 3: Cross multiply
843,171.84x = 1,163,552.40 × 461,190.36 - Step 4: Simplify right side
843,171.84x = 536,619,150,234.86 - Step 5: Solve for x
x = 536,619,150,234.86/843,171.84 - Step 6: Final answer
x = 636,429.17
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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.