Finding the Fourth Proportional to 927,296.26, 1,390,779.97 and 421,738.82
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Solution
The fourth proportional to 927,296.26, 1,390,779.97 and 421,738.82 is: 632,533.45
Step by Step Solution
- Step 1: Write the proportion equation
927,296.26 : 1,390,779.97 = 421,738.82 : x - Step 2: Convert to fraction form
927,296.26/1,390,779.97 = 421,738.82/x - Step 3: Cross multiply
927,296.26x = 1,390,779.97 × 421,738.82 - Step 4: Simplify right side
927,296.26x = 586,545,903,427.44 - Step 5: Solve for x
x = 586,545,903,427.44/927,296.26 - Step 6: Final answer
x = 632,533.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.