Finding the Fourth Proportional to 608,829.78, 913,250.79 and 271,887.50
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Solution
The fourth proportional to 608,829.78, 913,250.79 and 271,887.50 is: 407,833.98
Step by Step Solution
- Step 1: Write the proportion equation
608,829.78 : 913,250.79 = 271,887.50 : x - Step 2: Convert to fraction form
608,829.78/913,250.79 = 271,887.50/x - Step 3: Cross multiply
608,829.78x = 913,250.79 × 271,887.50 - Step 4: Simplify right side
608,829.78x = 248,301,469,599.87 - Step 5: Solve for x
x = 248,301,469,599.87/608,829.78 - Step 6: Final answer
x = 407,833.98
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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.