Finding the Fourth Proportional to 857,445.04, 1,183,321.40 and 475,463.62
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Solution
The fourth proportional to 857,445.04, 1,183,321.40 and 475,463.62 is: 656,165.99
Step by Step Solution
- Step 1: Write the proportion equation
857,445.04 : 1,183,321.40 = 475,463.62 : x - Step 2: Convert to fraction form
857,445.04/1,183,321.40 = 475,463.62/x - Step 3: Cross multiply
857,445.04x = 1,183,321.40 × 475,463.62 - Step 4: Simplify right side
857,445.04x = 562,626,276,467.47 - Step 5: Solve for x
x = 562,626,276,467.47/857,445.04 - Step 6: Final answer
x = 656,165.99
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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.