Finding the Fourth Proportional to 649,589.28, 973,023.12 and 412,810.08
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Solution
The fourth proportional to 649,589.28, 973,023.12 and 412,810.08 is: 618,350.34
Step by Step Solution
- Step 1: Write the proportion equation
649,589.28 : 973,023.12 = 412,810.08 : x - Step 2: Convert to fraction form
649,589.28/973,023.12 = 412,810.08/x - Step 3: Cross multiply
649,589.28x = 973,023.12 × 412,810.08 - Step 4: Simplify right side
649,589.28x = 401,673,752,009.05 - Step 5: Solve for x
x = 401,673,752,009.05/649,589.28 - Step 6: Final answer
x = 618,350.34
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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.