Finding the Fourth Proportional to 705,817.10, 974,028.84 and 383,531.06
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Solution
The fourth proportional to 705,817.10, 974,028.84 and 383,531.06 is: 529,273.54
Step by Step Solution
- Step 1: Write the proportion equation
705,817.10 : 974,028.84 = 383,531.06 : x - Step 2: Convert to fraction form
705,817.10/974,028.84 = 383,531.06/x - Step 3: Cross multiply
705,817.10x = 974,028.84 × 383,531.06 - Step 4: Simplify right side
705,817.10x = 373,570,313,475.77 - Step 5: Solve for x
x = 373,570,313,475.77/705,817.10 - Step 6: Final answer
x = 529,273.54
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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.