Finding the Fourth Proportional to 674,670.12, 931,014.18 and 416,662.44
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Solution
The fourth proportional to 674,670.12, 931,014.18 and 416,662.44 is: 574,975.28
Step by Step Solution
- Step 1: Write the proportion equation
674,670.12 : 931,014.18 = 416,662.44 : x - Step 2: Convert to fraction form
674,670.12/931,014.18 = 416,662.44/x - Step 3: Cross multiply
674,670.12x = 931,014.18 × 416,662.44 - Step 4: Simplify right side
674,670.12x = 387,918,639,913.40 - Step 5: Solve for x
x = 387,918,639,913.40/674,670.12 - Step 6: Final answer
x = 574,975.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.