Finding the Fourth Proportional to 605,771.60, 906,907.80 and 369,575.60
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Solution
The fourth proportional to 605,771.60, 906,907.80 and 369,575.60 is: 553,295.99
Step by Step Solution
- Step 1: Write the proportion equation
605,771.60 : 906,907.80 = 369,575.60 : x - Step 2: Convert to fraction form
605,771.60/906,907.80 = 369,575.60/x - Step 3: Cross multiply
605,771.60x = 906,907.80 × 369,575.60 - Step 4: Simplify right side
605,771.60x = 335,170,994,329.68 - Step 5: Solve for x
x = 335,170,994,329.68/605,771.60 - Step 6: Final answer
x = 553,295.99
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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.