Finding the Fourth Proportional to 729,596.67, 1,006,860.42 and 457,676.04
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Solution
The fourth proportional to 729,596.67, 1,006,860.42 and 457,676.04 is: 631,603.61
Step by Step Solution
- Step 1: Write the proportion equation
729,596.67 : 1,006,860.42 = 457,676.04 : x - Step 2: Convert to fraction form
729,596.67/1,006,860.42 = 457,676.04/x - Step 3: Cross multiply
729,596.67x = 1,006,860.42 × 457,676.04 - Step 4: Simplify right side
729,596.67x = 460,815,889,858.34 - Step 5: Solve for x
x = 460,815,889,858.34/729,596.67 - Step 6: Final answer
x = 631,603.61
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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.