Finding the Fourth Proportional to 633,521.12, 874,273.28 and 361,583.68
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Solution
The fourth proportional to 633,521.12, 874,273.28 and 361,583.68 is: 498,993.55
Step by Step Solution
- Step 1: Write the proportion equation
633,521.12 : 874,273.28 = 361,583.68 : x - Step 2: Convert to fraction form
633,521.12/874,273.28 = 361,583.68/x - Step 3: Cross multiply
633,521.12x = 874,273.28 × 361,583.68 - Step 4: Simplify right side
633,521.12x = 316,122,949,908.07 - Step 5: Solve for x
x = 316,122,949,908.07/633,521.12 - Step 6: Final answer
x = 498,993.55
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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.