Finding the Fourth Proportional to 858,972.44, 1,286,496.50 and 410,009.36
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Solution
The fourth proportional to 858,972.44, 1,286,496.50 and 410,009.36 is: 614,077.45
Step by Step Solution
- Step 1: Write the proportion equation
858,972.44 : 1,286,496.50 = 410,009.36 : x - Step 2: Convert to fraction form
858,972.44/1,286,496.50 = 410,009.36/x - Step 3: Cross multiply
858,972.44x = 1,286,496.50 × 410,009.36 - Step 4: Simplify right side
858,972.44x = 527,475,606,607.24 - Step 5: Solve for x
x = 527,475,606,607.24/858,972.44 - Step 6: Final answer
x = 614,077.45
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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.