Finding the Fourth Proportional to 886,704.62, 1,221,075.06 and 770,364.26
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Solution
The fourth proportional to 886,704.62, 1,221,075.06 and 770,364.26 is: 1,060,863.52
Step by Step Solution
- Step 1: Write the proportion equation
886,704.62 : 1,221,075.06 = 770,364.26 : x - Step 2: Convert to fraction form
886,704.62/1,221,075.06 = 770,364.26/x - Step 3: Cross multiply
886,704.62x = 1,221,075.06 × 770,364.26 - Step 4: Simplify right side
886,704.62x = 940,672,585,001.36 - Step 5: Solve for x
x = 940,672,585,001.36/886,704.62 - Step 6: Final answer
x = 1,060,863.52
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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.