Finding the Fourth Proportional to 703,760.97, 971,164.14 and 381,464.16
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Solution
The fourth proportional to 703,760.97, 971,164.14 and 381,464.16 is: 526,406.45
Step by Step Solution
- Step 1: Write the proportion equation
703,760.97 : 971,164.14 = 381,464.16 : x - Step 2: Convert to fraction form
703,760.97/971,164.14 = 381,464.16/x - Step 3: Cross multiply
703,760.97x = 971,164.14 × 381,464.16 - Step 4: Simplify right side
703,760.97x = 370,464,312,887.22 - Step 5: Solve for x
x = 370,464,312,887.22/703,760.97 - Step 6: Final answer
x = 526,406.45
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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.