Finding the Fourth Proportional to 891,625.11, 1,230,442.50 and 509,660.09
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Solution
The fourth proportional to 891,625.11, 1,230,442.50 and 509,660.09 is: 703,330.84
Step by Step Solution
- Step 1: Write the proportion equation
891,625.11 : 1,230,442.50 = 509,660.09 : x - Step 2: Convert to fraction form
891,625.11/1,230,442.50 = 509,660.09/x - Step 3: Cross multiply
891,625.11x = 1,230,442.50 × 509,660.09 - Step 4: Simplify right side
891,625.11x = 627,107,435,289.83 - Step 5: Solve for x
x = 627,107,435,289.83/891,625.11 - Step 6: Final answer
x = 703,330.84
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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.