Finding the Fourth Proportional to 857,744.84, 1,183,693.62 and 475,778.12
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Solution
The fourth proportional to 857,744.84, 1,183,693.62 and 475,778.12 is: 656,576.99
Step by Step Solution
- Step 1: Write the proportion equation
857,744.84 : 1,183,693.62 = 475,778.12 : x - Step 2: Convert to fraction form
857,744.84/1,183,693.62 = 475,778.12/x - Step 3: Cross multiply
857,744.84x = 1,183,693.62 × 475,778.12 - Step 4: Simplify right side
857,744.84x = 563,175,525,179.60 - Step 5: Solve for x
x = 563,175,525,179.60/857,744.84 - Step 6: Final answer
x = 656,576.99
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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.