Finding the Fourth Proportional to 913,947.93, 1,371,202.16 and 408,933.99
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Solution
The fourth proportional to 913,947.93, 1,371,202.16 and 408,933.99 is: 613,526.38
Step by Step Solution
- Step 1: Write the proportion equation
913,947.93 : 1,371,202.16 = 408,933.99 : x - Step 2: Convert to fraction form
913,947.93/1,371,202.16 = 408,933.99/x - Step 3: Cross multiply
913,947.93x = 1,371,202.16 × 408,933.99 - Step 4: Simplify right side
913,947.93x = 560,731,168,340.75 - Step 5: Solve for x
x = 560,731,168,340.75/913,947.93 - Step 6: Final answer
x = 613,526.38
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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.