Finding the Fourth Proportional to 729,721.08, 1,094,581.62 and 217,394.01
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Solution
The fourth proportional to 729,721.08, 1,094,581.62 and 217,394.01 is: 326,091.02
Step by Step Solution
- Step 1: Write the proportion equation
729,721.08 : 1,094,581.62 = 217,394.01 : x - Step 2: Convert to fraction form
729,721.08/1,094,581.62 = 217,394.01/x - Step 3: Cross multiply
729,721.08x = 1,094,581.62 × 217,394.01 - Step 4: Simplify right side
729,721.08x = 237,955,487,644.10 - Step 5: Solve for x
x = 237,955,487,644.10/729,721.08 - Step 6: Final answer
x = 326,091.02
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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.