Finding the Fourth Proportional to 576,471.23, 795,742.60 and 347,039.19
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Solution
The fourth proportional to 576,471.23, 795,742.60 and 347,039.19 is: 479,041.89
Step by Step Solution
- Step 1: Write the proportion equation
576,471.23 : 795,742.60 = 347,039.19 : x - Step 2: Convert to fraction form
576,471.23/795,742.60 = 347,039.19/x - Step 3: Cross multiply
576,471.23x = 795,742.60 × 347,039.19 - Step 4: Simplify right side
576,471.23x = 276,153,867,352.49 - Step 5: Solve for x
x = 276,153,867,352.49/576,471.23 - Step 6: Final answer
x = 479,041.89
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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.