Finding the Fourth Proportional to 703,998.05, 971,519.40 and 381,708.23
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Solution
The fourth proportional to 703,998.05, 971,519.40 and 381,708.23 is: 526,758.49
Step by Step Solution
- Step 1: Write the proportion equation
703,998.05 : 971,519.40 = 381,708.23 : x - Step 2: Convert to fraction form
703,998.05/971,519.40 = 381,708.23/x - Step 3: Cross multiply
703,998.05x = 971,519.40 × 381,708.23 - Step 4: Simplify right side
703,998.05x = 370,836,945,727.07 - Step 5: Solve for x
x = 370,836,945,727.07/703,998.05 - Step 6: Final answer
x = 526,758.49
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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.