Finding the Fourth Proportional to 1,322,129.32, 1,983,176.70 and 324,865.96
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Solution
The fourth proportional to 1,322,129.32, 1,983,176.70 and 324,865.96 is: 487,294.69
Step by Step Solution
- Step 1: Write the proportion equation
1,322,129.32 : 1,983,176.70 = 324,865.96 : x - Step 2: Convert to fraction form
1,322,129.32/1,983,176.70 = 324,865.96/x - Step 3: Cross multiply
1,322,129.32x = 1,983,176.70 × 324,865.96 - Step 4: Simplify right side
1,322,129.32x = 644,266,602,495.13 - Step 5: Solve for x
x = 644,266,602,495.13/1,322,129.32 - Step 6: Final answer
x = 487,294.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.