Finding the Fourth Proportional to 832,168.94, 1,148,107.84 and 469,548.14
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Solution
The fourth proportional to 832,168.94, 1,148,107.84 and 469,548.14 is: 647,815.45
Step by Step Solution
- Step 1: Write the proportion equation
832,168.94 : 1,148,107.84 = 469,548.14 : x - Step 2: Convert to fraction form
832,168.94/1,148,107.84 = 469,548.14/x - Step 3: Cross multiply
832,168.94x = 1,148,107.84 × 469,548.14 - Step 4: Simplify right side
832,168.94x = 539,091,893,877.01 - Step 5: Solve for x
x = 539,091,893,877.01/832,168.94 - Step 6: Final answer
x = 647,815.45
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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.