Finding the Fourth Proportional to 839,964.88, 1,258,702.68 and 691,261.84
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Solution
The fourth proportional to 839,964.88, 1,258,702.68 and 691,261.84 is: 1,035,868.46
Step by Step Solution
- Step 1: Write the proportion equation
839,964.88 : 1,258,702.68 = 691,261.84 : x - Step 2: Convert to fraction form
839,964.88/1,258,702.68 = 691,261.84/x - Step 3: Cross multiply
839,964.88x = 1,258,702.68 × 691,261.84 - Step 4: Simplify right side
839,964.88x = 870,093,130,589.73 - Step 5: Solve for x
x = 870,093,130,589.73/839,964.88 - Step 6: Final answer
x = 1,035,868.46
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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.