Finding the Fourth Proportional to 761,424.99, 1,050,768.09 and 421,893.24
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Solution
The fourth proportional to 761,424.99, 1,050,768.09 and 421,893.24 is: 582,213.56
Step by Step Solution
- Step 1: Write the proportion equation
761,424.99 : 1,050,768.09 = 421,893.24 : x - Step 2: Convert to fraction form
761,424.99/1,050,768.09 = 421,893.24/x - Step 3: Cross multiply
761,424.99x = 1,050,768.09 × 421,893.24 - Step 4: Simplify right side
761,424.99x = 443,311,953,978.71 - Step 5: Solve for x
x = 443,311,953,978.71/761,424.99 - Step 6: Final answer
x = 582,213.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.