Finding the Fourth Proportional to 629,523.04, 868,714.48 and 357,590.08
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Solution
The fourth proportional to 629,523.04, 868,714.48 and 357,590.08 is: 493,458.79
Step by Step Solution
- Step 1: Write the proportion equation
629,523.04 : 868,714.48 = 357,590.08 : x - Step 2: Convert to fraction form
629,523.04/868,714.48 = 357,590.08/x - Step 3: Cross multiply
629,523.04x = 868,714.48 × 357,590.08 - Step 4: Simplify right side
629,523.04x = 310,643,680,400.36 - Step 5: Solve for x
x = 310,643,680,400.36/629,523.04 - Step 6: Final answer
x = 493,458.79
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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.