Finding the Fourth Proportional to 839,969.30, 1,259,626.35 and 366,331.70
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Solution
The fourth proportional to 839,969.30, 1,259,626.35 and 366,331.70 is: 549,354.68
Step by Step Solution
- Step 1: Write the proportion equation
839,969.30 : 1,259,626.35 = 366,331.70 : x - Step 2: Convert to fraction form
839,969.30/1,259,626.35 = 366,331.70/x - Step 3: Cross multiply
839,969.30x = 1,259,626.35 × 366,331.70 - Step 4: Simplify right side
839,969.30x = 461,441,062,160.30 - Step 5: Solve for x
x = 461,441,062,160.30/839,969.30 - Step 6: Final answer
x = 549,354.68
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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.