Finding the Fourth Proportional to 787,052.97, 1,086,128.02 and 447,521.19
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Solution
The fourth proportional to 787,052.97, 1,086,128.02 and 447,521.19 is: 617,576.35
Step by Step Solution
- Step 1: Write the proportion equation
787,052.97 : 1,086,128.02 = 447,521.19 : x - Step 2: Convert to fraction form
787,052.97/1,086,128.02 = 447,521.19/x - Step 3: Cross multiply
787,052.97x = 1,086,128.02 × 447,521.19 - Step 4: Simplify right side
787,052.97x = 486,065,304,002.74 - Step 5: Solve for x
x = 486,065,304,002.74/787,052.97 - Step 6: Final answer
x = 617,576.35
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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.