Finding the Fourth Proportional to 903,285.99, 1,246,179.06 and 521,238.96
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Solution
The fourth proportional to 903,285.99, 1,246,179.06 and 521,238.96 is: 719,104.56
Step by Step Solution
- Step 1: Write the proportion equation
903,285.99 : 1,246,179.06 = 521,238.96 : x - Step 2: Convert to fraction form
903,285.99/1,246,179.06 = 521,238.96/x - Step 3: Cross multiply
903,285.99x = 1,246,179.06 × 521,238.96 - Step 4: Simplify right side
903,285.99x = 649,557,077,208.18 - Step 5: Solve for x
x = 649,557,077,208.18/903,285.99 - Step 6: Final answer
x = 719,104.56
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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.