Finding the Fourth Proportional to 1,008,344.42, 1,391,515.50 and 549,459.08
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Solution
The fourth proportional to 1,008,344.42, 1,391,515.50 and 549,459.08 is: 758,253.64
Step by Step Solution
- Step 1: Write the proportion equation
1,008,344.42 : 1,391,515.50 = 549,459.08 : x - Step 2: Convert to fraction form
1,008,344.42/1,391,515.50 = 549,459.08/x - Step 3: Cross multiply
1,008,344.42x = 1,391,515.50 × 549,459.08 - Step 4: Simplify right side
1,008,344.42x = 764,580,826,435.74 - Step 5: Solve for x
x = 764,580,826,435.74/1,008,344.42 - Step 6: Final answer
x = 758,253.64
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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.