Finding the Fourth Proportional to 842,792.99, 1,162,778.68 and 515,765.08
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Solution
The fourth proportional to 842,792.99, 1,162,778.68 and 515,765.08 is: 711,587.12
Step by Step Solution
- Step 1: Write the proportion equation
842,792.99 : 1,162,778.68 = 515,765.08 : x - Step 2: Convert to fraction form
842,792.99/1,162,778.68 = 515,765.08/x - Step 3: Cross multiply
842,792.99x = 1,162,778.68 × 515,765.08 - Step 4: Simplify right side
842,792.99x = 599,720,638,912.49 - Step 5: Solve for x
x = 599,720,638,912.49/842,792.99 - Step 6: Final answer
x = 711,587.12
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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.