Finding the Fourth Proportional to 857,460.29, 1,183,342.50 and 475,478.87
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Solution
The fourth proportional to 857,460.29, 1,183,342.50 and 475,478.87 is: 656,187.07
Step by Step Solution
- Step 1: Write the proportion equation
857,460.29 : 1,183,342.50 = 475,478.87 : x - Step 2: Convert to fraction form
857,460.29/1,183,342.50 = 475,478.87/x - Step 3: Cross multiply
857,460.29x = 1,183,342.50 × 475,478.87 - Step 4: Simplify right side
857,460.29x = 562,654,348,806.26 - Step 5: Solve for x
x = 562,654,348,806.26/857,460.29 - Step 6: Final answer
x = 656,187.07
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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.