Finding the Fourth Proportional to 605,771.80, 908,657.70 and 487,673.80
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Solution
The fourth proportional to 605,771.80, 908,657.70 and 487,673.80 is: 731,510.70
Step by Step Solution
- Step 1: Write the proportion equation
605,771.80 : 908,657.70 = 487,673.80 : x - Step 2: Convert to fraction form
605,771.80/908,657.70 = 487,673.80/x - Step 3: Cross multiply
605,771.80x = 908,657.70 × 487,673.80 - Step 4: Simplify right side
605,771.80x = 443,128,553,458.26 - Step 5: Solve for x
x = 443,128,553,458.26/605,771.80 - Step 6: Final answer
x = 731,510.70
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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.