Finding the Fourth Proportional to 485,193.80, 727,790.70 and 367,095.80
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Solution
The fourth proportional to 485,193.80, 727,790.70 and 367,095.80 is: 550,643.70
Step by Step Solution
- Step 1: Write the proportion equation
485,193.80 : 727,790.70 = 367,095.80 : x - Step 2: Convert to fraction form
485,193.80/727,790.70 = 367,095.80/x - Step 3: Cross multiply
485,193.80x = 727,790.70 × 367,095.80 - Step 4: Simplify right side
485,193.80x = 267,168,909,249.06 - Step 5: Solve for x
x = 267,168,909,249.06/485,193.80 - Step 6: Final answer
x = 550,643.70
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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.