Finding the Fourth Proportional to 561,605.18, 775,003.73 and 306,958.19
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Solution
The fourth proportional to 561,605.18, 775,003.73 and 306,958.19 is: 423,596.06
Step by Step Solution
- Step 1: Write the proportion equation
561,605.18 : 775,003.73 = 306,958.19 : x - Step 2: Convert to fraction form
561,605.18/775,003.73 = 306,958.19/x - Step 3: Cross multiply
561,605.18x = 775,003.73 × 306,958.19 - Step 4: Simplify right side
561,605.18x = 237,893,736,794.24 - Step 5: Solve for x
x = 237,893,736,794.24/561,605.18 - Step 6: Final answer
x = 423,596.06
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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.