Finding the Fourth Proportional to 647,883.90, 894,073.68 and 357,498.09
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Solution
The fourth proportional to 647,883.90, 894,073.68 and 357,498.09 is: 493,344.00
Step by Step Solution
- Step 1: Write the proportion equation
647,883.90 : 894,073.68 = 357,498.09 : x - Step 2: Convert to fraction form
647,883.90/894,073.68 = 357,498.09/x - Step 3: Cross multiply
647,883.90x = 894,073.68 × 357,498.09 - Step 4: Simplify right side
647,883.90x = 319,629,632,919.27 - Step 5: Solve for x
x = 319,629,632,919.27/647,883.90 - Step 6: Final answer
x = 493,344.00
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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.