Finding the Fourth Proportional to 561,233.04, 774,491.88 and 306,577.68
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Solution
The fourth proportional to 561,233.04, 774,491.88 and 306,577.68 is: 423,071.89
Step by Step Solution
- Step 1: Write the proportion equation
561,233.04 : 774,491.88 = 306,577.68 : x - Step 2: Convert to fraction form
561,233.04/774,491.88 = 306,577.68/x - Step 3: Cross multiply
561,233.04x = 774,491.88 × 306,577.68 - Step 4: Simplify right side
561,233.04x = 237,441,923,749.24 - Step 5: Solve for x
x = 237,441,923,749.24/561,233.04 - Step 6: Final answer
x = 423,071.89
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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.