Finding the Fourth Proportional to 863,633.06, 1,293,714.68 and 430,044.26
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Solution
The fourth proportional to 863,633.06, 1,293,714.68 and 430,044.26 is: 644,202.49
Step by Step Solution
- Step 1: Write the proportion equation
863,633.06 : 1,293,714.68 = 430,044.26 : x - Step 2: Convert to fraction form
863,633.06/1,293,714.68 = 430,044.26/x - Step 3: Cross multiply
863,633.06x = 1,293,714.68 × 430,044.26 - Step 4: Simplify right side
863,633.06x = 556,354,566,616.71 - Step 5: Solve for x
x = 556,354,566,616.71/863,633.06 - Step 6: Final answer
x = 644,202.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.