Finding the Fourth Proportional to 606,202.60, 908,720.70 and 471,191.80
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Solution
The fourth proportional to 606,202.60, 908,720.70 and 471,191.80 is: 706,334.39
Step by Step Solution
- Step 1: Write the proportion equation
606,202.60 : 908,720.70 = 471,191.80 : x - Step 2: Convert to fraction form
606,202.60/908,720.70 = 471,191.80/x - Step 3: Cross multiply
606,202.60x = 908,720.70 × 471,191.80 - Step 4: Simplify right side
606,202.60x = 428,181,742,330.26 - Step 5: Solve for x
x = 428,181,742,330.26/606,202.60 - Step 6: Final answer
x = 706,334.39
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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.