Finding the Fourth Proportional to 724,841.28, 1,082,380.56 and 591,985.08
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Solution
The fourth proportional to 724,841.28, 1,082,380.56 and 591,985.08 is: 883,990.96
Step by Step Solution
- Step 1: Write the proportion equation
724,841.28 : 1,082,380.56 = 591,985.08 : x - Step 2: Convert to fraction form
724,841.28/1,082,380.56 = 591,985.08/x - Step 3: Cross multiply
724,841.28x = 1,082,380.56 × 591,985.08 - Step 4: Simplify right side
724,841.28x = 640,753,142,402.05 - Step 5: Solve for x
x = 640,753,142,402.05/724,841.28 - Step 6: Final answer
x = 883,990.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.