Finding the Fourth Proportional to 903,171.41, 1,246,366.26 and 521,189.99
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Solution
The fourth proportional to 903,171.41, 1,246,366.26 and 521,189.99 is: 719,236.25
Step by Step Solution
- Step 1: Write the proportion equation
903,171.41 : 1,246,366.26 = 521,189.99 : x - Step 2: Convert to fraction form
903,171.41/1,246,366.26 = 521,189.99/x - Step 3: Cross multiply
903,171.41x = 1,246,366.26 × 521,189.99 - Step 4: Simplify right side
903,171.41x = 649,593,618,585.74 - Step 5: Solve for x
x = 649,593,618,585.74/903,171.41 - Step 6: Final answer
x = 719,236.25
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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.