Finding the Fourth Proportional to 859,754.19, 1,288,409.16 and 633,334.08
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Solution
The fourth proportional to 859,754.19, 1,288,409.16 and 633,334.08 is: 949,100.85
Step by Step Solution
- Step 1: Write the proportion equation
859,754.19 : 1,288,409.16 = 633,334.08 : x - Step 2: Convert to fraction form
859,754.19/1,288,409.16 = 633,334.08/x - Step 3: Cross multiply
859,754.19x = 1,288,409.16 × 633,334.08 - Step 4: Simplify right side
859,754.19x = 815,993,430,012.17 - Step 5: Solve for x
x = 815,993,430,012.17/859,754.19 - Step 6: Final answer
x = 949,100.85
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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.