Finding the Fourth Proportional to 747,403.40, 1,119,419.39 and 347,201.94
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Solution
The fourth proportional to 747,403.40, 1,119,419.39 and 347,201.94 is: 520,019.83
Step by Step Solution
- Step 1: Write the proportion equation
747,403.40 : 1,119,419.39 = 347,201.94 : x - Step 2: Convert to fraction form
747,403.40/1,119,419.39 = 347,201.94/x - Step 3: Cross multiply
747,403.40x = 1,119,419.39 × 347,201.94 - Step 4: Simplify right side
747,403.40x = 388,664,588,947.44 - Step 5: Solve for x
x = 388,664,588,947.44/747,403.40 - Step 6: Final answer
x = 520,019.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.