Finding the Fourth Proportional to 587,048.28, 810,129.81 and 332,449.08
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Solution
The fourth proportional to 587,048.28, 810,129.81 and 332,449.08 is: 458,781.53
Step by Step Solution
- Step 1: Write the proportion equation
587,048.28 : 810,129.81 = 332,449.08 : x - Step 2: Convert to fraction form
587,048.28/810,129.81 = 332,449.08/x - Step 3: Cross multiply
587,048.28x = 810,129.81 × 332,449.08 - Step 4: Simplify right side
587,048.28x = 269,326,910,015.08 - Step 5: Solve for x
x = 269,326,910,015.08/587,048.28 - Step 6: Final answer
x = 458,781.53
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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.