Finding the Fourth Proportional to 633,450.96, 872,686.28 and 442,126.80
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Solution
The fourth proportional to 633,450.96, 872,686.28 and 442,126.80 is: 609,104.76
Step by Step Solution
- Step 1: Write the proportion equation
633,450.96 : 872,686.28 = 442,126.80 : x - Step 2: Convert to fraction form
633,450.96/872,686.28 = 442,126.80/x - Step 3: Cross multiply
633,450.96x = 872,686.28 × 442,126.80 - Step 4: Simplify right side
633,450.96x = 385,837,992,380.30 - Step 5: Solve for x
x = 385,837,992,380.30/633,450.96 - Step 6: Final answer
x = 609,104.76
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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.