Finding the Fourth Proportional to 633,455.13, 873,924.84 and 361,538.13
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Solution
The fourth proportional to 633,455.13, 873,924.84 and 361,538.13 is: 498,783.79
Step by Step Solution
- Step 1: Write the proportion equation
633,455.13 : 873,924.84 = 361,538.13 : x - Step 2: Convert to fraction form
633,455.13/873,924.84 = 361,538.13/x - Step 3: Cross multiply
633,455.13x = 873,924.84 × 361,538.13 - Step 4: Simplify right side
633,455.13x = 315,957,152,414.15 - Step 5: Solve for x
x = 315,957,152,414.15/633,455.13 - Step 6: Final answer
x = 498,783.79
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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.