Finding the Fourth Proportional to 857,544.48, 1,183,370.85 and 475,563.06
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Solution
The fourth proportional to 857,544.48, 1,183,370.85 and 475,563.06 is: 656,254.55
Step by Step Solution
- Step 1: Write the proportion equation
857,544.48 : 1,183,370.85 = 475,563.06 : x - Step 2: Convert to fraction form
857,544.48/1,183,370.85 = 475,563.06/x - Step 3: Cross multiply
857,544.48x = 1,183,370.85 × 475,563.06 - Step 4: Simplify right side
857,544.48x = 562,767,462,540.80 - Step 5: Solve for x
x = 562,767,462,540.80/857,544.48 - Step 6: Final answer
x = 656,254.55
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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.