Finding the Fourth Proportional to 659,205.81, 909,721.94 and 372,768.75
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Solution
The fourth proportional to 659,205.81, 909,721.94 and 372,768.75 is: 514,431.01
Step by Step Solution
- Step 1: Write the proportion equation
659,205.81 : 909,721.94 = 372,768.75 : x - Step 2: Convert to fraction form
659,205.81/909,721.94 = 372,768.75/x - Step 3: Cross multiply
659,205.81x = 909,721.94 × 372,768.75 - Step 4: Simplify right side
659,205.81x = 339,115,908,557.53 - Step 5: Solve for x
x = 339,115,908,557.53/659,205.81 - Step 6: Final answer
x = 514,431.01
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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.