Finding the Fourth Proportional to 863,993.79, 1,296,569.26 and 358,555.23
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Solution
The fourth proportional to 863,993.79, 1,296,569.26 and 358,555.23 is: 538,072.95
Step by Step Solution
- Step 1: Write the proportion equation
863,993.79 : 1,296,569.26 = 358,555.23 : x - Step 2: Convert to fraction form
863,993.79/1,296,569.26 = 358,555.23/x - Step 3: Cross multiply
863,993.79x = 1,296,569.26 × 358,555.23 - Step 4: Simplify right side
863,993.79x = 464,891,681,851.00 - Step 5: Solve for x
x = 464,891,681,851.00/863,993.79 - Step 6: Final answer
x = 538,072.95
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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.