Finding the Fourth Proportional to 705,522.45, 973,639.09 and 383,250.99
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Solution
The fourth proportional to 705,522.45, 973,639.09 and 383,250.99 is: 528,896.20
Step by Step Solution
- Step 1: Write the proportion equation
705,522.45 : 973,639.09 = 383,250.99 : x - Step 2: Convert to fraction form
705,522.45/973,639.09 = 383,250.99/x - Step 3: Cross multiply
705,522.45x = 973,639.09 × 383,250.99 - Step 4: Simplify right side
705,522.45x = 373,148,145,145.20 - Step 5: Solve for x
x = 373,148,145,145.20/705,522.45 - Step 6: Final answer
x = 528,896.20
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1.5x scale
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.