Finding the Fourth Proportional to 605,276.70, 907,137.45 and 289,052.70
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Solution
The fourth proportional to 605,276.70, 907,137.45 and 289,052.70 is: 433,207.70
Step by Step Solution
- Step 1: Write the proportion equation
605,276.70 : 907,137.45 = 289,052.70 : x - Step 2: Convert to fraction form
605,276.70/907,137.45 = 289,052.70/x - Step 3: Cross multiply
605,276.70x = 907,137.45 × 289,052.70 - Step 4: Simplify right side
605,276.70x = 262,210,529,193.62 - Step 5: Solve for x
x = 262,210,529,193.62/605,276.70 - Step 6: Final answer
x = 433,207.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.