Finding the Fourth Proportional to 606,140.60, 908,627.70 and 471,129.80
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Solution
The fourth proportional to 606,140.60, 908,627.70 and 471,129.80 is: 706,241.40
Step by Step Solution
- Step 1: Write the proportion equation
606,140.60 : 908,627.70 = 471,129.80 : x - Step 2: Convert to fraction form
606,140.60/908,627.70 = 471,129.80/x - Step 3: Cross multiply
606,140.60x = 908,627.70 × 471,129.80 - Step 4: Simplify right side
606,140.60x = 428,081,586,575.46 - Step 5: Solve for x
x = 428,081,586,575.46/606,140.60 - Step 6: Final answer
x = 706,241.40
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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.