Finding the Fourth Proportional to 857,787.86, 1,183,888.97 and 475,937.66
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Solution
The fourth proportional to 857,787.86, 1,183,888.97 and 475,937.66 is: 656,872.60
Step by Step Solution
- Step 1: Write the proportion equation
857,787.86 : 1,183,888.97 = 475,937.66 : x - Step 2: Convert to fraction form
857,787.86/1,183,888.97 = 475,937.66/x - Step 3: Cross multiply
857,787.86x = 1,183,888.97 × 475,937.66 - Step 4: Simplify right side
857,787.86x = 563,457,337,782.48 - Step 5: Solve for x
x = 563,457,337,782.48/857,787.86 - Step 6: Final answer
x = 656,872.60
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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.