Finding the Fourth Proportional to 729,107.01, 1,006,006.60 and 423,006.09
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Solution
The fourth proportional to 729,107.01, 1,006,006.60 and 423,006.09 is: 583,654.95
Step by Step Solution
- Step 1: Write the proportion equation
729,107.01 : 1,006,006.60 = 423,006.09 : x - Step 2: Convert to fraction form
729,107.01/1,006,006.60 = 423,006.09/x - Step 3: Cross multiply
729,107.01x = 1,006,006.60 × 423,006.09 - Step 4: Simplify right side
729,107.01x = 425,546,918,380.19 - Step 5: Solve for x
x = 425,546,918,380.19/729,107.01 - Step 6: Final answer
x = 583,654.95
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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.