Finding the Fourth Proportional to 882,033.60, 1,321,380.99 and 521,125.14
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Solution
The fourth proportional to 882,033.60, 1,321,380.99 and 521,125.14 is: 780,701.39
Step by Step Solution
- Step 1: Write the proportion equation
882,033.60 : 1,321,380.99 = 521,125.14 : x - Step 2: Convert to fraction form
882,033.60/1,321,380.99 = 521,125.14/x - Step 3: Cross multiply
882,033.60x = 1,321,380.99 × 521,125.14 - Step 4: Simplify right side
882,033.60x = 688,604,853,407.09 - Step 5: Solve for x
x = 688,604,853,407.09/882,033.60 - Step 6: Final answer
x = 780,701.39
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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.