Finding the Fourth Proportional to 843,419.88, 1,163,936.24 and 461,454.86
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Solution
The fourth proportional to 843,419.88, 1,163,936.24 and 461,454.86 is: 636,816.89
Step by Step Solution
- Step 1: Write the proportion equation
843,419.88 : 1,163,936.24 = 461,454.86 : x - Step 2: Convert to fraction form
843,419.88/1,163,936.24 = 461,454.86/x - Step 3: Cross multiply
843,419.88x = 1,163,936.24 × 461,454.86 - Step 4: Simplify right side
843,419.88x = 537,104,026,551.17 - Step 5: Solve for x
x = 537,104,026,551.17/843,419.88 - Step 6: Final answer
x = 636,816.89
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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.