Finding the Fourth Proportional to 927,704.75, 1,389,194.55 and 611,202.11
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Solution
The fourth proportional to 927,704.75, 1,389,194.55 and 611,202.11 is: 915,246.62
Step by Step Solution
- Step 1: Write the proportion equation
927,704.75 : 1,389,194.55 = 611,202.11 : x - Step 2: Convert to fraction form
927,704.75/1,389,194.55 = 611,202.11/x - Step 3: Cross multiply
927,704.75x = 1,389,194.55 × 611,202.11 - Step 4: Simplify right side
927,704.75x = 849,078,633,214.53 - Step 5: Solve for x
x = 849,078,633,214.53/927,704.75 - Step 6: Final answer
x = 915,246.62
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1.5x scale
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.