Finding the Fourth Proportional to 477,739.84, 658,943.76 and 324,688.20
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Solution
The fourth proportional to 477,739.84, 658,943.76 and 324,688.20 is: 447,840.53
Step by Step Solution
- Step 1: Write the proportion equation
477,739.84 : 658,943.76 = 324,688.20 : x - Step 2: Convert to fraction form
477,739.84/658,943.76 = 324,688.20/x - Step 3: Cross multiply
477,739.84x = 658,943.76 × 324,688.20 - Step 4: Simplify right side
477,739.84x = 213,951,263,335.63 - Step 5: Solve for x
x = 213,951,263,335.63/477,739.84 - Step 6: Final answer
x = 447,840.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.