Finding the Fourth Proportional to 625,537.36, 862,556.88 and 464,690.80
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Solution
The fourth proportional to 625,537.36, 862,556.88 and 464,690.80 is: 640,764.68
Step by Step Solution
- Step 1: Write the proportion equation
625,537.36 : 862,556.88 = 464,690.80 : x - Step 2: Convert to fraction form
625,537.36/862,556.88 = 464,690.80/x - Step 3: Cross multiply
625,537.36x = 862,556.88 × 464,690.80 - Step 4: Simplify right side
625,537.36x = 400,822,246,612.70 - Step 5: Solve for x
x = 400,822,246,612.70/625,537.36 - Step 6: Final answer
x = 640,764.68
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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.