Finding the Fourth Proportional to 859,103.65, 1,185,493.67 and 496,550.99
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Solution
The fourth proportional to 859,103.65, 1,185,493.67 and 496,550.99 is: 685,200.28
Step by Step Solution
- Step 1: Write the proportion equation
859,103.65 : 1,185,493.67 = 496,550.99 : x - Step 2: Convert to fraction form
859,103.65/1,185,493.67 = 496,550.99/x - Step 3: Cross multiply
859,103.65x = 1,185,493.67 × 496,550.99 - Step 4: Simplify right side
859,103.65x = 588,658,060,613.38 - Step 5: Solve for x
x = 588,658,060,613.38/859,103.65 - Step 6: Final answer
x = 685,200.28
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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.