Finding the Fourth Proportional to 413,811.10, 620,716.65 and 330,867.10
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Solution
The fourth proportional to 413,811.10, 620,716.65 and 330,867.10 is: 496,300.65
Step by Step Solution
- Step 1: Write the proportion equation
413,811.10 : 620,716.65 = 330,867.10 : x - Step 2: Convert to fraction form
413,811.10/620,716.65 = 330,867.10/x - Step 3: Cross multiply
413,811.10x = 620,716.65 × 330,867.10 - Step 4: Simplify right side
413,811.10x = 205,374,717,907.22 - Step 5: Solve for x
x = 205,374,717,907.22/413,811.10 - Step 6: Final answer
x = 496,300.65
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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.