Finding the Fourth Proportional to 504,538.18, 695,539.24 and 396,921.31
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Solution
The fourth proportional to 504,538.18, 695,539.24 and 396,921.31 is: 547,182.27
Step by Step Solution
- Step 1: Write the proportion equation
504,538.18 : 695,539.24 = 396,921.31 : x - Step 2: Convert to fraction form
504,538.18/695,539.24 = 396,921.31/x - Step 3: Cross multiply
504,538.18x = 695,539.24 × 396,921.31 - Step 4: Simplify right side
504,538.18x = 276,074,346,297.20 - Step 5: Solve for x
x = 276,074,346,297.20/504,538.18 - Step 6: Final answer
x = 547,182.27
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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.