Finding the Fourth Proportional to 716,645.71, 1,075,124.09 and 217,996.75
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Solution
The fourth proportional to 716,645.71, 1,075,124.09 and 217,996.75 is: 327,042.43
Step by Step Solution
- Step 1: Write the proportion equation
716,645.71 : 1,075,124.09 = 217,996.75 : x - Step 2: Convert to fraction form
716,645.71/1,075,124.09 = 217,996.75/x - Step 3: Cross multiply
716,645.71x = 1,075,124.09 × 217,996.75 - Step 4: Simplify right side
716,645.71x = 234,373,557,466.71 - Step 5: Solve for x
x = 234,373,557,466.71/716,645.71 - Step 6: Final answer
x = 327,042.43
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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.