Finding the Fourth Proportional to 758,062.16, 1,046,129.37 and 413,905.05
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Solution
The fourth proportional to 758,062.16, 1,046,129.37 and 413,905.05 is: 571,190.93
Step by Step Solution
- Step 1: Write the proportion equation
758,062.16 : 1,046,129.37 = 413,905.05 : x - Step 2: Convert to fraction form
758,062.16/1,046,129.37 = 413,905.05/x - Step 3: Cross multiply
758,062.16x = 1,046,129.37 × 413,905.05 - Step 4: Simplify right side
758,062.16x = 432,998,230,776.88 - Step 5: Solve for x
x = 432,998,230,776.88/758,062.16 - Step 6: Final answer
x = 571,190.93
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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.