Finding the Fourth Proportional to 939,852.87, 1,296,998.27 and 510,133.09
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Solution
The fourth proportional to 939,852.87, 1,296,998.27 and 510,133.09 is: 703,984.37
Step by Step Solution
- Step 1: Write the proportion equation
939,852.87 : 1,296,998.27 = 510,133.09 : x - Step 2: Convert to fraction form
939,852.87/1,296,998.27 = 510,133.09/x - Step 3: Cross multiply
939,852.87x = 1,296,998.27 × 510,133.09 - Step 4: Simplify right side
939,852.87x = 661,641,733,232.59 - Step 5: Solve for x
x = 661,641,733,232.59/939,852.87 - Step 6: Final answer
x = 703,984.37
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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.