Finding the Fourth Proportional to 828,730.94, 1,143,640.39 and 461,201.92
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Solution
The fourth proportional to 828,730.94, 1,143,640.39 and 461,201.92 is: 636,454.02
Step by Step Solution
- Step 1: Write the proportion equation
828,730.94 : 1,143,640.39 = 461,201.92 : x - Step 2: Convert to fraction form
828,730.94/1,143,640.39 = 461,201.92/x - Step 3: Cross multiply
828,730.94x = 1,143,640.39 × 461,201.92 - Step 4: Simplify right side
828,730.94x = 527,449,141,301.17 - Step 5: Solve for x
x = 527,449,141,301.17/828,730.94 - Step 6: Final answer
x = 636,454.02
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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.