Finding the Fourth Proportional to 425,715.87, 590,023.81 and 417,744.26
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Solution
The fourth proportional to 425,715.87, 590,023.81 and 417,744.26 is: 578,975.50
Step by Step Solution
- Step 1: Write the proportion equation
425,715.87 : 590,023.81 = 417,744.26 : x - Step 2: Convert to fraction form
425,715.87/590,023.81 = 417,744.26/x - Step 3: Cross multiply
425,715.87x = 590,023.81 × 417,744.26 - Step 4: Simplify right side
425,715.87x = 246,479,059,890.83 - Step 5: Solve for x
x = 246,479,059,890.83/425,715.87 - Step 6: Final answer
x = 578,975.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.