Finding the Fourth Proportional to 576,374.40, 864,561.60 and 366,163.20
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Solution
The fourth proportional to 576,374.40, 864,561.60 and 366,163.20 is: 549,244.80
Step by Step Solution
- Step 1: Write the proportion equation
576,374.40 : 864,561.60 = 366,163.20 : x - Step 2: Convert to fraction form
576,374.40/864,561.60 = 366,163.20/x - Step 3: Cross multiply
576,374.40x = 864,561.60 × 366,163.20 - Step 4: Simplify right side
576,374.40x = 316,570,642,053.12 - Step 5: Solve for x
x = 316,570,642,053.12/576,374.40 - Step 6: Final answer
x = 549,244.80
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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.