Finding the Fourth Proportional to 842,207.68, 1,162,315.68 and 479,745.08
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Solution
The fourth proportional to 842,207.68, 1,162,315.68 and 479,745.08 is: 662,087.56
Step by Step Solution
- Step 1: Write the proportion equation
842,207.68 : 1,162,315.68 = 479,745.08 : x - Step 2: Convert to fraction form
842,207.68/1,162,315.68 = 479,745.08/x - Step 3: Cross multiply
842,207.68x = 1,162,315.68 × 479,745.08 - Step 4: Simplify right side
842,207.68x = 557,615,228,886.85 - Step 5: Solve for x
x = 557,615,228,886.85/842,207.68 - Step 6: Final answer
x = 662,087.56
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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.