Finding the Fourth Proportional to 881,541.92, 1,217,027.58 and 674,420.78
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Solution
The fourth proportional to 881,541.92, 1,217,027.58 and 674,420.78 is: 931,082.99
Step by Step Solution
- Step 1: Write the proportion equation
881,541.92 : 1,217,027.58 = 674,420.78 : x - Step 2: Convert to fraction form
881,541.92/1,217,027.58 = 674,420.78/x - Step 3: Cross multiply
881,541.92x = 1,217,027.58 × 674,420.78 - Step 4: Simplify right side
881,541.92x = 820,788,689,785.11 - Step 5: Solve for x
x = 820,788,689,785.11/881,541.92 - Step 6: Final answer
x = 931,082.99
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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.