Finding the Fourth Proportional to 758,072.09, 1,046,141.70 and 413,910.99
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Solution
The fourth proportional to 758,072.09, 1,046,141.70 and 413,910.99 is: 571,198.38
Step by Step Solution
- Step 1: Write the proportion equation
758,072.09 : 1,046,141.70 = 413,910.99 : x - Step 2: Convert to fraction form
758,072.09/1,046,141.70 = 413,910.99/x - Step 3: Cross multiply
758,072.09x = 1,046,141.70 × 413,910.99 - Step 4: Simplify right side
758,072.09x = 433,009,546,727.28 - Step 5: Solve for x
x = 433,009,546,727.28/758,072.09 - Step 6: Final answer
x = 571,198.38
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1.5x scale
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.