Finding the Fourth Proportional to 892,519.99, 1,231,643.95 and 484,613.02
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Solution
The fourth proportional to 892,519.99, 1,231,643.95 and 484,613.02 is: 668,747.70
Step by Step Solution
- Step 1: Write the proportion equation
892,519.99 : 1,231,643.95 = 484,613.02 : x - Step 2: Convert to fraction form
892,519.99/1,231,643.95 = 484,613.02/x - Step 3: Cross multiply
892,519.99x = 1,231,643.95 × 484,613.02 - Step 4: Simplify right side
892,519.99x = 596,870,694,174.23 - Step 5: Solve for x
x = 596,870,694,174.23/892,519.99 - Step 6: Final answer
x = 668,747.70
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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.