Finding the Fourth Proportional to 964,537.62, 1,330,939.56 and 528,840.31
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Solution
The fourth proportional to 964,537.62, 1,330,939.56 and 528,840.31 is: 729,732.54
Step by Step Solution
- Step 1: Write the proportion equation
964,537.62 : 1,330,939.56 = 528,840.31 : x - Step 2: Convert to fraction form
964,537.62/1,330,939.56 = 528,840.31/x - Step 3: Cross multiply
964,537.62x = 1,330,939.56 × 528,840.31 - Step 4: Simplify right side
964,537.62x = 703,854,489,501.66 - Step 5: Solve for x
x = 703,854,489,501.66/964,537.62 - Step 6: Final answer
x = 729,732.54
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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.