Finding the Fourth Proportional to 606,261.60, 908,809.20 and 471,250.80
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Solution
The fourth proportional to 606,261.60, 908,809.20 and 471,250.80 is: 706,422.88
Step by Step Solution
- Step 1: Write the proportion equation
606,261.60 : 908,809.20 = 471,250.80 : x - Step 2: Convert to fraction form
606,261.60/908,809.20 = 471,250.80/x - Step 3: Cross multiply
606,261.60x = 908,809.20 × 471,250.80 - Step 4: Simplify right side
606,261.60x = 428,277,062,547.36 - Step 5: Solve for x
x = 428,277,062,547.36/606,261.60 - Step 6: Final answer
x = 706,422.88
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1.5x scale
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.