Finding the Fourth Proportional to 843,422.88, 1,163,940.36 and 461,457.87
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Solution
The fourth proportional to 843,422.88, 1,163,940.36 and 461,457.87 is: 636,821.04
Step by Step Solution
- Step 1: Write the proportion equation
843,422.88 : 1,163,940.36 = 461,457.87 : x - Step 2: Convert to fraction form
843,422.88/1,163,940.36 = 461,457.87/x - Step 3: Cross multiply
843,422.88x = 1,163,940.36 × 461,457.87 - Step 4: Simplify right side
843,422.88x = 537,109,439,332.63 - Step 5: Solve for x
x = 537,109,439,332.63/843,422.88 - Step 6: Final answer
x = 636,821.04
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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.