Finding the Fourth Proportional to 518,245.08, 777,782.34 and 268,998.36
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Solution
The fourth proportional to 518,245.08, 777,782.34 and 268,998.36 is: 403,712.80
Step by Step Solution
- Step 1: Write the proportion equation
518,245.08 : 777,782.34 = 268,998.36 : x - Step 2: Convert to fraction form
518,245.08/777,782.34 = 268,998.36/x - Step 3: Cross multiply
518,245.08x = 777,782.34 × 268,998.36 - Step 4: Simplify right side
518,245.08x = 209,222,173,896.96 - Step 5: Solve for x
x = 209,222,173,896.96/518,245.08 - Step 6: Final answer
x = 403,712.80
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1.5x scale
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.