Finding the Fourth Proportional to 612,472.08, 845,207.04 and 340,537.87
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Solution
The fourth proportional to 612,472.08, 845,207.04 and 340,537.87 is: 469,939.79
Step by Step Solution
- Step 1: Write the proportion equation
612,472.08 : 845,207.04 = 340,537.87 : x - Step 2: Convert to fraction form
612,472.08/845,207.04 = 340,537.87/x - Step 3: Cross multiply
612,472.08x = 845,207.04 × 340,537.87 - Step 4: Simplify right side
612,472.08x = 287,825,002,997.59 - Step 5: Solve for x
x = 287,825,002,997.59/612,472.08 - Step 6: Final answer
x = 469,939.79
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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.