Finding the Fourth Proportional to 881,714.99, 1,323,162.68 and 320,749.49
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Solution
The fourth proportional to 881,714.99, 1,323,162.68 and 320,749.49 is: 481,338.94
Step by Step Solution
- Step 1: Write the proportion equation
881,714.99 : 1,323,162.68 = 320,749.49 : x - Step 2: Convert to fraction form
881,714.99/1,323,162.68 = 320,749.49/x - Step 3: Cross multiply
881,714.99x = 1,323,162.68 × 320,749.49 - Step 4: Simplify right side
881,714.99x = 424,403,756,501.19 - Step 5: Solve for x
x = 424,403,756,501.19/881,714.99 - Step 6: Final answer
x = 481,338.94
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1.5x scale
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.