Finding the Fourth Proportional to 939,764.68, 1,296,887.70 and 510,049.96
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Solution
The fourth proportional to 939,764.68, 1,296,887.70 and 510,049.96 is: 703,875.70
Step by Step Solution
- Step 1: Write the proportion equation
939,764.68 : 1,296,887.70 = 510,049.96 : x - Step 2: Convert to fraction form
939,764.68/1,296,887.70 = 510,049.96/x - Step 3: Cross multiply
939,764.68x = 1,296,887.70 × 510,049.96 - Step 4: Simplify right side
939,764.68x = 661,477,519,509.49 - Step 5: Solve for x
x = 661,477,519,509.49/939,764.68 - Step 6: Final answer
x = 703,875.70
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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.