Finding the Fourth Proportional to 828,832.92, 1,143,787.79 and 466,257.06
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Solution
The fourth proportional to 828,832.92, 1,143,787.79 and 466,257.06 is: 643,433.82
Step by Step Solution
- Step 1: Write the proportion equation
828,832.92 : 1,143,787.79 = 466,257.06 : x - Step 2: Convert to fraction form
828,832.92/1,143,787.79 = 466,257.06/x - Step 3: Cross multiply
828,832.92x = 1,143,787.79 × 466,257.06 - Step 4: Simplify right side
828,832.92x = 533,299,132,229.30 - Step 5: Solve for x
x = 533,299,132,229.30/828,832.92 - Step 6: Final answer
x = 643,433.82
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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.