Finding the Fourth Proportional to 557,470.19, 769,176.51 and 328,037.48
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Solution
The fourth proportional to 557,470.19, 769,176.51 and 328,037.48 is: 452,613.84
Step by Step Solution
- Step 1: Write the proportion equation
557,470.19 : 769,176.51 = 328,037.48 : x - Step 2: Convert to fraction form
557,470.19/769,176.51 = 328,037.48/x - Step 3: Cross multiply
557,470.19x = 769,176.51 × 328,037.48 - Step 4: Simplify right side
557,470.19x = 252,318,720,169.71 - Step 5: Solve for x
x = 252,318,720,169.71/557,470.19 - Step 6: Final answer
x = 452,613.84
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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.