Finding the Fourth Proportional to 887,107.95, 1,330,642.71 and 247,394.70
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Solution
The fourth proportional to 887,107.95, 1,330,642.71 and 247,394.70 is: 371,086.69
Step by Step Solution
- Step 1: Write the proportion equation
887,107.95 : 1,330,642.71 = 247,394.70 : x - Step 2: Convert to fraction form
887,107.95/1,330,642.71 = 247,394.70/x - Step 3: Cross multiply
887,107.95x = 1,330,642.71 × 247,394.70 - Step 4: Simplify right side
887,107.95x = 329,193,954,047.64 - Step 5: Solve for x
x = 329,193,954,047.64/887,107.95 - Step 6: Final answer
x = 371,086.69
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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.