Finding the Fourth Proportional to 864,271.23, 1,192,695.28 and 482,297.91
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Solution
The fourth proportional to 864,271.23, 1,192,695.28 and 482,297.91 is: 665,571.66
Step by Step Solution
- Step 1: Write the proportion equation
864,271.23 : 1,192,695.28 = 482,297.91 : x - Step 2: Convert to fraction form
864,271.23/1,192,695.28 = 482,297.91/x - Step 3: Cross multiply
864,271.23x = 1,192,695.28 × 482,297.91 - Step 4: Simplify right side
864,271.23x = 575,234,439,605.12 - Step 5: Solve for x
x = 575,234,439,605.12/864,271.23 - Step 6: Final answer
x = 665,571.66
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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.