Finding the Fourth Proportional to 857,755.34, 1,183,703.54 and 475,782.12
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Solution
The fourth proportional to 857,755.34, 1,183,703.54 and 475,782.12 is: 656,579.98
Step by Step Solution
- Step 1: Write the proportion equation
857,755.34 : 1,183,703.54 = 475,782.12 : x - Step 2: Convert to fraction form
857,755.34/1,183,703.54 = 475,782.12/x - Step 3: Cross multiply
857,755.34x = 1,183,703.54 × 475,782.12 - Step 4: Simplify right side
857,755.34x = 563,184,979,712.71 - Step 5: Solve for x
x = 563,184,979,712.71/857,755.34 - Step 6: Final answer
x = 656,579.98
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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.