Finding the Fourth Proportional to 857,699.98, 1,183,767.70 and 475,849.78
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Solution
The fourth proportional to 857,699.98, 1,183,767.70 and 475,849.78 is: 656,751.33
Step by Step Solution
- Step 1: Write the proportion equation
857,699.98 : 1,183,767.70 = 475,849.78 : x - Step 2: Convert to fraction form
857,699.98/1,183,767.70 = 475,849.78/x - Step 3: Cross multiply
857,699.98x = 1,183,767.70 × 475,849.78 - Step 4: Simplify right side
857,699.98x = 563,295,599,616.11 - Step 5: Solve for x
x = 563,295,599,616.11/857,699.98 - Step 6: Final answer
x = 656,751.33
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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.