Finding the Fourth Proportional to 792,197.63, 1,187,998.13 and 286,633.63
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Solution
The fourth proportional to 792,197.63, 1,187,998.13 and 286,633.63 is: 429,842.50
Step by Step Solution
- Step 1: Write the proportion equation
792,197.63 : 1,187,998.13 = 286,633.63 : x - Step 2: Convert to fraction form
792,197.63/1,187,998.13 = 286,633.63/x - Step 3: Cross multiply
792,197.63x = 1,187,998.13 × 286,633.63 - Step 4: Simplify right side
792,197.63x = 340,520,214,181.70 - Step 5: Solve for x
x = 340,520,214,181.70/792,197.63 - Step 6: Final answer
x = 429,842.50
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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.