Finding the Fourth Proportional to 927,808.75, 1,389,350.55 and 611,306.11
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Solution
The fourth proportional to 927,808.75, 1,389,350.55 and 611,306.11 is: 915,402.53
Step by Step Solution
- Step 1: Write the proportion equation
927,808.75 : 1,389,350.55 = 611,306.11 : x - Step 2: Convert to fraction form
927,808.75/1,389,350.55 = 611,306.11/x - Step 3: Cross multiply
927,808.75x = 1,389,350.55 × 611,306.11 - Step 4: Simplify right side
927,808.75x = 849,318,473,200.11 - Step 5: Solve for x
x = 849,318,473,200.11/927,808.75 - Step 6: Final answer
x = 915,402.53
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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.