Finding the Fourth Proportional to 873,031.16, 1,307,113.61 and 445,647.62
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Solution
The fourth proportional to 873,031.16, 1,307,113.61 and 445,647.62 is: 667,229.41
Step by Step Solution
- Step 1: Write the proportion equation
873,031.16 : 1,307,113.61 = 445,647.62 : x - Step 2: Convert to fraction form
873,031.16/1,307,113.61 = 445,647.62/x - Step 3: Cross multiply
873,031.16x = 1,307,113.61 × 445,647.62 - Step 4: Simplify right side
873,031.16x = 582,512,070,405.65 - Step 5: Solve for x
x = 582,512,070,405.65/873,031.16 - Step 6: Final answer
x = 667,229.41
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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.