Finding the Fourth Proportional to 752,471.50, 1,038,410.67 and 412,939.75
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Solution
The fourth proportional to 752,471.50, 1,038,410.67 and 412,939.75 is: 569,856.86
Step by Step Solution
- Step 1: Write the proportion equation
752,471.50 : 1,038,410.67 = 412,939.75 : x - Step 2: Convert to fraction form
752,471.50/1,038,410.67 = 412,939.75/x - Step 3: Cross multiply
752,471.50x = 1,038,410.67 × 412,939.75 - Step 4: Simplify right side
752,471.50x = 428,801,042,467.13 - Step 5: Solve for x
x = 428,801,042,467.13/752,471.50 - Step 6: Final answer
x = 569,856.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.