Finding the Fourth Proportional to 839,866.05, 1,259,799.08 and 271,246.05
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Solution
The fourth proportional to 839,866.05, 1,259,799.08 and 271,246.05 is: 406,869.08
Step by Step Solution
- Step 1: Write the proportion equation
839,866.05 : 1,259,799.08 = 271,246.05 : x - Step 2: Convert to fraction form
839,866.05/1,259,799.08 = 271,246.05/x - Step 3: Cross multiply
839,866.05x = 1,259,799.08 × 271,246.05 - Step 4: Simplify right side
839,866.05x = 341,715,522,887.40 - Step 5: Solve for x
x = 341,715,522,887.40/839,866.05 - Step 6: Final answer
x = 406,869.08
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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.