Finding the Fourth Proportional to 633,514.12, 874,263.62 and 361,576.68
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Solution
The fourth proportional to 633,514.12, 874,263.62 and 361,576.68 is: 498,983.89
Step by Step Solution
- Step 1: Write the proportion equation
633,514.12 : 874,263.62 = 361,576.68 : x - Step 2: Convert to fraction form
633,514.12/874,263.62 = 361,576.68/x - Step 3: Cross multiply
633,514.12x = 874,263.62 × 361,576.68 - Step 4: Simplify right side
633,514.12x = 316,113,337,164.38 - Step 5: Solve for x
x = 316,113,337,164.38/633,514.12 - Step 6: Final answer
x = 498,983.89
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1.5x scale
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.