Finding the Fourth Proportional to 889,375.98, 1,334,191.95 and 290,188.74
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Solution
The fourth proportional to 889,375.98, 1,334,191.95 and 290,188.74 is: 435,324.87
Step by Step Solution
- Step 1: Write the proportion equation
889,375.98 : 1,334,191.95 = 290,188.74 : x - Step 2: Convert to fraction form
889,375.98/1,334,191.95 = 290,188.74/x - Step 3: Cross multiply
889,375.98x = 1,334,191.95 × 290,188.74 - Step 4: Simplify right side
889,375.98x = 387,167,480,888.64 - Step 5: Solve for x
x = 387,167,480,888.64/889,375.98 - Step 6: Final answer
x = 435,324.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.