Finding the Fourth Proportional to 703,855.58, 971,325.68 and 381,570.75
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Solution
The fourth proportional to 703,855.58, 971,325.68 and 381,570.75 is: 526,570.34
Step by Step Solution
- Step 1: Write the proportion equation
703,855.58 : 971,325.68 = 381,570.75 : x - Step 2: Convert to fraction form
703,855.58/971,325.68 = 381,570.75/x - Step 3: Cross multiply
703,855.58x = 971,325.68 × 381,570.75 - Step 4: Simplify right side
703,855.58x = 370,629,466,304.01 - Step 5: Solve for x
x = 370,629,466,304.01/703,855.58 - Step 6: Final answer
x = 526,570.34
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1.5x scale
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.