Finding the Fourth Proportional to 605,195.40, 907,793.10 and 406,129.80
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Solution
The fourth proportional to 605,195.40, 907,793.10 and 406,129.80 is: 609,194.70
Step by Step Solution
- Step 1: Write the proportion equation
605,195.40 : 907,793.10 = 406,129.80 : x - Step 2: Convert to fraction form
605,195.40/907,793.10 = 406,129.80/x - Step 3: Cross multiply
605,195.40x = 907,793.10 × 406,129.80 - Step 4: Simplify right side
605,195.40x = 368,681,830,144.38 - Step 5: Solve for x
x = 368,681,830,144.38/605,195.40 - Step 6: Final answer
x = 609,194.70
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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.