Finding the Fourth Proportional to 695,590.09, 1,043,484.17 and 215,859.35
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Solution
The fourth proportional to 695,590.09, 1,043,484.17 and 215,859.35 is: 323,819.75
Step by Step Solution
- Step 1: Write the proportion equation
695,590.09 : 1,043,484.17 = 215,859.35 : x - Step 2: Convert to fraction form
695,590.09/1,043,484.17 = 215,859.35/x - Step 3: Cross multiply
695,590.09x = 1,043,484.17 × 215,859.35 - Step 4: Simplify right side
695,590.09x = 225,245,811,441.14 - Step 5: Solve for x
x = 225,245,811,441.14/695,590.09 - Step 6: Final answer
x = 323,819.75
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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.