Finding the Fourth Proportional to 626,906.80, 940,878.60 and 290,465.20
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Solution
The fourth proportional to 626,906.80, 940,878.60 and 290,465.20 is: 435,937.99
Step by Step Solution
- Step 1: Write the proportion equation
626,906.80 : 940,878.60 = 290,465.20 : x - Step 2: Convert to fraction form
626,906.80/940,878.60 = 290,465.20/x - Step 3: Cross multiply
626,906.80x = 940,878.60 × 290,465.20 - Step 4: Simplify right side
626,906.80x = 273,292,490,724.72 - Step 5: Solve for x
x = 273,292,490,724.72/626,906.80 - Step 6: Final answer
x = 435,937.99
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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.