Finding the Fourth Proportional to 619,887.13, 927,707.46 and 430,560.97
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Solution
The fourth proportional to 619,887.13, 927,707.46 and 430,560.97 is: 644,366.70
Step by Step Solution
- Step 1: Write the proportion equation
619,887.13 : 927,707.46 = 430,560.97 : x - Step 2: Convert to fraction form
619,887.13/927,707.46 = 430,560.97/x - Step 3: Cross multiply
619,887.13x = 927,707.46 × 430,560.97 - Step 4: Simplify right side
619,887.13x = 399,434,623,853.84 - Step 5: Solve for x
x = 399,434,623,853.84/619,887.13 - Step 6: Final answer
x = 644,366.70
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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.