Finding the Fourth Proportional to 633,476.64, 874,211.84 and 361,539.12
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Solution
The fourth proportional to 633,476.64, 874,211.84 and 361,539.12 is: 498,932.02
Step by Step Solution
- Step 1: Write the proportion equation
633,476.64 : 874,211.84 = 361,539.12 : x - Step 2: Convert to fraction form
633,476.64/874,211.84 = 361,539.12/x - Step 3: Cross multiply
633,476.64x = 874,211.84 × 361,539.12 - Step 4: Simplify right side
633,476.64x = 316,061,779,327.18 - Step 5: Solve for x
x = 316,061,779,327.18/633,476.64 - Step 6: Final answer
x = 498,932.02
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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.