Finding the Fourth Proportional to 936,313.75, 1,292,112.93 and 506,593.88
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Solution
The fourth proportional to 936,313.75, 1,292,112.93 and 506,593.88 is: 699,099.53
Step by Step Solution
- Step 1: Write the proportion equation
936,313.75 : 1,292,112.93 = 506,593.88 : x - Step 2: Convert to fraction form
936,313.75/1,292,112.93 = 506,593.88/x - Step 3: Cross multiply
936,313.75x = 1,292,112.93 × 506,593.88 - Step 4: Simplify right side
936,313.75x = 654,576,502,891.45 - Step 5: Solve for x
x = 654,576,502,891.45/936,313.75 - Step 6: Final answer
x = 699,099.53
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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.