Finding the Fourth Proportional to 805,528.08, 1,207,537.20 and 272,676.24
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Solution
The fourth proportional to 805,528.08, 1,207,537.20 and 272,676.24 is: 408,758.81
Step by Step Solution
- Step 1: Write the proportion equation
805,528.08 : 1,207,537.20 = 272,676.24 : x - Step 2: Convert to fraction form
805,528.08/1,207,537.20 = 272,676.24/x - Step 3: Cross multiply
805,528.08x = 1,207,537.20 × 272,676.24 - Step 4: Simplify right side
805,528.08x = 329,266,703,356.13 - Step 5: Solve for x
x = 329,266,703,356.13/805,528.08 - Step 6: Final answer
x = 408,758.81
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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.