Finding the Fourth Proportional to 488,140.90, 731,074.11 and 474,687.21
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Solution
The fourth proportional to 488,140.90, 731,074.11 and 474,687.21 is: 710,924.92
Step by Step Solution
- Step 1: Write the proportion equation
488,140.90 : 731,074.11 = 474,687.21 : x - Step 2: Convert to fraction form
488,140.90/731,074.11 = 474,687.21/x - Step 3: Cross multiply
488,140.90x = 731,074.11 × 474,687.21 - Step 4: Simplify right side
488,140.90x = 347,031,529,579.13 - Step 5: Solve for x
x = 347,031,529,579.13/488,140.90 - Step 6: Final answer
x = 710,924.92
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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.