Finding the Fourth Proportional to 857,756.19, 1,183,845.51 and 475,905.99
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Solution
The fourth proportional to 857,756.19, 1,183,845.51 and 475,905.99 is: 656,829.03
Step by Step Solution
- Step 1: Write the proportion equation
857,756.19 : 1,183,845.51 = 475,905.99 : x - Step 2: Convert to fraction form
857,756.19/1,183,845.51 = 475,905.99/x - Step 3: Cross multiply
857,756.19x = 1,183,845.51 × 475,905.99 - Step 4: Simplify right side
857,756.19x = 563,399,169,443.61 - Step 5: Solve for x
x = 563,399,169,443.61/857,756.19 - Step 6: Final answer
x = 656,829.03
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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.