Finding the Fourth Proportional to 981,344.34, 1,354,262.67 and 545,767.79
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Solution
The fourth proportional to 981,344.34, 1,354,262.67 and 545,767.79 is: 753,163.70
Step by Step Solution
- Step 1: Write the proportion equation
981,344.34 : 1,354,262.67 = 545,767.79 : x - Step 2: Convert to fraction form
981,344.34/1,354,262.67 = 545,767.79/x - Step 3: Cross multiply
981,344.34x = 1,354,262.67 × 545,767.79 - Step 4: Simplify right side
981,344.34x = 739,112,937,714.09 - Step 5: Solve for x
x = 739,112,937,714.09/981,344.34 - Step 6: Final answer
x = 753,163.70
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1.5x scale
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.