Finding the Fourth Proportional to 1,008,179.36, 1,391,247.06 and 549,297.62
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Solution
The fourth proportional to 1,008,179.36, 1,391,247.06 and 549,297.62 is: 758,008.67
Step by Step Solution
- Step 1: Write the proportion equation
1,008,179.36 : 1,391,247.06 = 549,297.62 : x - Step 2: Convert to fraction form
1,008,179.36/1,391,247.06 = 549,297.62/x - Step 3: Cross multiply
1,008,179.36x = 1,391,247.06 × 549,297.62 - Step 4: Simplify right side
1,008,179.36x = 764,208,698,890.00 - Step 5: Solve for x
x = 764,208,698,890.00/1,008,179.36 - Step 6: Final answer
x = 758,008.67
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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.