Finding the Fourth Proportional to 857,550.16, 1,183,389.42 and 475,612.48
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Solution
The fourth proportional to 857,550.16, 1,183,389.42 and 475,612.48 is: 656,328.69
Step by Step Solution
- Step 1: Write the proportion equation
857,550.16 : 1,183,389.42 = 475,612.48 : x - Step 2: Convert to fraction form
857,550.16/1,183,389.42 = 475,612.48/x - Step 3: Cross multiply
857,550.16x = 1,183,389.42 × 475,612.48 - Step 4: Simplify right side
857,550.16x = 562,834,776,851.96 - Step 5: Solve for x
x = 562,834,776,851.96/857,550.16 - Step 6: Final answer
x = 656,328.69
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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.