Finding the Fourth Proportional to 842,869.63, 1,264,305.72 and 344,233.63
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Solution
The fourth proportional to 842,869.63, 1,264,305.72 and 344,233.63 is: 516,350.96
Step by Step Solution
- Step 1: Write the proportion equation
842,869.63 : 1,264,305.72 = 344,233.63 : x - Step 2: Convert to fraction form
842,869.63/1,264,305.72 = 344,233.63/x - Step 3: Cross multiply
842,869.63x = 1,264,305.72 × 344,233.63 - Step 4: Simplify right side
842,869.63x = 435,216,541,103.84 - Step 5: Solve for x
x = 435,216,541,103.84/842,869.63 - Step 6: Final answer
x = 516,350.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.