Finding the Fourth Proportional to 931,358.27, 1,395,868.73 and 398,252.42
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Solution
The fourth proportional to 931,358.27, 1,395,868.73 and 398,252.42 is: 596,878.90
Step by Step Solution
- Step 1: Write the proportion equation
931,358.27 : 1,395,868.73 = 398,252.42 : x - Step 2: Convert to fraction form
931,358.27/1,395,868.73 = 398,252.42/x - Step 3: Cross multiply
931,358.27x = 1,395,868.73 × 398,252.42 - Step 4: Simplify right side
931,358.27x = 555,908,097,733.57 - Step 5: Solve for x
x = 555,908,097,733.57/931,358.27 - Step 6: Final answer
x = 596,878.90
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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.