Finding the Fourth Proportional to 939,813.87, 1,296,944.11 and 510,094.09
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Solution
The fourth proportional to 939,813.87, 1,296,944.11 and 510,094.09 is: 703,930.37
Step by Step Solution
- Step 1: Write the proportion equation
939,813.87 : 1,296,944.11 = 510,094.09 : x - Step 2: Convert to fraction form
939,813.87/1,296,944.11 = 510,094.09/x - Step 3: Cross multiply
939,813.87x = 1,296,944.11 × 510,094.09 - Step 4: Simplify right side
939,813.87x = 661,563,524,960.83 - Step 5: Solve for x
x = 661,563,524,960.83/939,813.87 - Step 6: Final answer
x = 703,930.37
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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.