Finding the Fourth Proportional to 889,515.74, 1,334,568.86 and 290,496.44
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Solution
The fourth proportional to 889,515.74, 1,334,568.86 and 290,496.44 is: 435,841.08
Step by Step Solution
- Step 1: Write the proportion equation
889,515.74 : 1,334,568.86 = 290,496.44 : x - Step 2: Convert to fraction form
889,515.74/1,334,568.86 = 290,496.44/x - Step 3: Cross multiply
889,515.74x = 1,334,568.86 × 290,496.44 - Step 4: Simplify right side
889,515.74x = 387,687,502,764.86 - Step 5: Solve for x
x = 387,687,502,764.86/889,515.74 - Step 6: Final answer
x = 435,841.08
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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.