Finding the Fourth Proportional to 419,981.36, 574,937.49 and 416,979.70
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Solution
The fourth proportional to 419,981.36, 574,937.49 and 416,979.70 is: 570,828.35
Step by Step Solution
- Step 1: Write the proportion equation
419,981.36 : 574,937.49 = 416,979.70 : x - Step 2: Convert to fraction form
419,981.36/574,937.49 = 416,979.70/x - Step 3: Cross multiply
419,981.36x = 574,937.49 × 416,979.70 - Step 4: Simplify right side
419,981.36x = 239,737,262,225.28 - Step 5: Solve for x
x = 239,737,262,225.28/419,981.36 - Step 6: Final answer
x = 570,828.35
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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.