Finding the Fourth Proportional to 705,409.17, 973,471.68 and 383,125.56
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Solution
The fourth proportional to 705,409.17, 973,471.68 and 383,125.56 is: 528,717.09
Step by Step Solution
- Step 1: Write the proportion equation
705,409.17 : 973,471.68 = 383,125.56 : x - Step 2: Convert to fraction form
705,409.17/973,471.68 = 383,125.56/x - Step 3: Cross multiply
705,409.17x = 973,471.68 × 383,125.56 - Step 4: Simplify right side
705,409.17x = 372,961,882,544.14 - Step 5: Solve for x
x = 372,961,882,544.14/705,409.17 - Step 6: Final answer
x = 528,717.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.