Finding the Fourth Proportional to 561,727.69, 775,590.11 and 347,161.93
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Solution
The fourth proportional to 561,727.69, 775,590.11 and 347,161.93 is: 479,334.32
Step by Step Solution
- Step 1: Write the proportion equation
561,727.69 : 775,590.11 = 347,161.93 : x - Step 2: Convert to fraction form
561,727.69/775,590.11 = 347,161.93/x - Step 3: Cross multiply
561,727.69x = 775,590.11 × 347,161.93 - Step 4: Simplify right side
561,727.69x = 269,255,359,476.51 - Step 5: Solve for x
x = 269,255,359,476.51/561,727.69 - Step 6: Final answer
x = 479,334.32
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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.