Finding the Fourth Proportional to 981,348.84, 1,354,268.88 and 545,772.29
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Solution
The fourth proportional to 981,348.84, 1,354,268.88 and 545,772.29 is: 753,169.91
Step by Step Solution
- Step 1: Write the proportion equation
981,348.84 : 1,354,268.88 = 545,772.29 : x - Step 2: Convert to fraction form
981,348.84/1,354,268.88 = 545,772.29/x - Step 3: Cross multiply
981,348.84x = 1,354,268.88 × 545,772.29 - Step 4: Simplify right side
981,348.84x = 739,122,421,141.99 - Step 5: Solve for x
x = 739,122,421,141.99/981,348.84 - Step 6: Final answer
x = 753,169.91
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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.