Finding the Fourth Proportional to 914,483.09, 1,372,575.75 and 465,540.05
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Solution
The fourth proportional to 914,483.09, 1,372,575.75 and 465,540.05 is: 698,743.35
Step by Step Solution
- Step 1: Write the proportion equation
914,483.09 : 1,372,575.75 = 465,540.05 : x - Step 2: Convert to fraction form
914,483.09/1,372,575.75 = 465,540.05/x - Step 3: Cross multiply
914,483.09x = 1,372,575.75 × 465,540.05 - Step 4: Simplify right side
914,483.09x = 638,988,974,093.21 - Step 5: Solve for x
x = 638,988,974,093.21/914,483.09 - Step 6: Final answer
x = 698,743.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.