Finding the Fourth Proportional to 903,277.74, 1,246,167.68 and 521,230.72
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Solution
The fourth proportional to 903,277.74, 1,246,167.68 and 521,230.72 is: 719,093.20
Step by Step Solution
- Step 1: Write the proportion equation
903,277.74 : 1,246,167.68 = 521,230.72 : x - Step 2: Convert to fraction form
903,277.74/1,246,167.68 = 521,230.72/x - Step 3: Cross multiply
903,277.74x = 1,246,167.68 × 521,230.72 - Step 4: Simplify right side
903,277.74x = 649,540,877,087.13 - Step 5: Solve for x
x = 649,540,877,087.13/903,277.74 - Step 6: Final answer
x = 719,093.20
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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.