Finding the Fourth Proportional to 903,172.41, 1,246,367.64 and 521,190.99
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Solution
The fourth proportional to 903,172.41, 1,246,367.64 and 521,190.99 is: 719,237.63
Step by Step Solution
- Step 1: Write the proportion equation
903,172.41 : 1,246,367.64 = 521,190.99 : x - Step 2: Convert to fraction form
903,172.41/1,246,367.64 = 521,190.99/x - Step 3: Cross multiply
903,172.41x = 1,246,367.64 × 521,190.99 - Step 4: Simplify right side
903,172.41x = 649,595,584,195.56 - Step 5: Solve for x
x = 649,595,584,195.56/903,172.41 - Step 6: Final answer
x = 719,237.63
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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.