Finding the Fourth Proportional to 633,493.18, 874,234.71 and 361,555.63
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Solution
The fourth proportional to 633,493.18, 874,234.71 and 361,555.63 is: 498,954.83
Step by Step Solution
- Step 1: Write the proportion equation
633,493.18 : 874,234.71 = 361,555.63 : x - Step 2: Convert to fraction form
633,493.18/874,234.71 = 361,555.63/x - Step 3: Cross multiply
633,493.18x = 874,234.71 × 361,555.63 - Step 4: Simplify right side
633,493.18x = 316,084,481,341.92 - Step 5: Solve for x
x = 316,084,481,341.92/633,493.18 - Step 6: Final answer
x = 498,954.83
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1.5x scale
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.