Finding the Fourth Proportional to 875,496.83, 1,207,980.05 and 531,324.72
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Solution
The fourth proportional to 875,496.83, 1,207,980.05 and 531,324.72 is: 733,103.35
Step by Step Solution
- Step 1: Write the proportion equation
875,496.83 : 1,207,980.05 = 531,324.72 : x - Step 2: Convert to fraction form
875,496.83/1,207,980.05 = 531,324.72/x - Step 3: Cross multiply
875,496.83x = 1,207,980.05 × 531,324.72 - Step 4: Simplify right side
875,496.83x = 641,829,659,175.21 - Step 5: Solve for x
x = 641,829,659,175.21/875,496.83 - Step 6: Final answer
x = 733,103.35
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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.