Finding the Fourth Proportional to 574,934.40, 787,662.96 and 553,385.97
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Solution
The fourth proportional to 574,934.40, 787,662.96 and 553,385.97 is: 758,141.50
Step by Step Solution
- Step 1: Write the proportion equation
574,934.40 : 787,662.96 = 553,385.97 : x - Step 2: Convert to fraction form
574,934.40/787,662.96 = 553,385.97/x - Step 3: Cross multiply
574,934.40x = 787,662.96 × 553,385.97 - Step 4: Simplify right side
574,934.40x = 435,881,631,152.67 - Step 5: Solve for x
x = 435,881,631,152.67/574,934.40 - Step 6: Final answer
x = 758,141.50
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.