Finding the Fourth Proportional to 504,000.12, 695,519.86 and 277,645.62
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Solution
The fourth proportional to 504,000.12, 695,519.86 and 277,645.62 is: 383,150.79
Step by Step Solution
- Step 1: Write the proportion equation
504,000.12 : 695,519.86 = 277,645.62 : x - Step 2: Convert to fraction form
504,000.12/695,519.86 = 277,645.62/x - Step 3: Cross multiply
504,000.12x = 695,519.86 × 277,645.62 - Step 4: Simplify right side
504,000.12x = 193,108,042,752.01 - Step 5: Solve for x
x = 193,108,042,752.01/504,000.12 - Step 6: Final answer
x = 383,150.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.