Finding the Fourth Proportional to 857,751.21, 1,183,666.41 and 475,813.53
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Solution
The fourth proportional to 857,751.21, 1,183,666.41 and 475,813.53 is: 656,605.89
Step by Step Solution
- Step 1: Write the proportion equation
857,751.21 : 1,183,666.41 = 475,813.53 : x - Step 2: Convert to fraction form
857,751.21/1,183,666.41 = 475,813.53/x - Step 3: Cross multiply
857,751.21x = 1,183,666.41 × 475,813.53 - Step 4: Simplify right side
857,751.21x = 563,204,492,884.53 - Step 5: Solve for x
x = 563,204,492,884.53/857,751.21 - Step 6: Final answer
x = 656,605.89
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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.