Finding the Fourth Proportional to 979,031.26, 1,350,992.28 and 543,472.12
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Solution
The fourth proportional to 979,031.26, 1,350,992.28 and 543,472.12 is: 749,952.19
Step by Step Solution
- Step 1: Write the proportion equation
979,031.26 : 1,350,992.28 = 543,472.12 : x - Step 2: Convert to fraction form
979,031.26/1,350,992.28 = 543,472.12/x - Step 3: Cross multiply
979,031.26x = 1,350,992.28 × 543,472.12 - Step 4: Simplify right side
979,031.26x = 734,226,638,515.23 - Step 5: Solve for x
x = 734,226,638,515.23/979,031.26 - Step 6: Final answer
x = 749,952.19
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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.