Finding the Fourth Proportional to 740,491.68, 1,109,989.74 and 291,527.68
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Solution
The fourth proportional to 740,491.68, 1,109,989.74 and 291,527.68 is: 436,997.12
Step by Step Solution
- Step 1: Write the proportion equation
740,491.68 : 1,109,989.74 = 291,527.68 : x - Step 2: Convert to fraction form
740,491.68/1,109,989.74 = 291,527.68/x - Step 3: Cross multiply
740,491.68x = 1,109,989.74 × 291,527.68 - Step 4: Simplify right side
740,491.68x = 323,592,733,726.00 - Step 5: Solve for x
x = 323,592,733,726.00/740,491.68 - Step 6: Final answer
x = 436,997.12
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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.