Finding the Fourth Proportional to 872,032.41, 1,203,342.20 and 479,592.99
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Solution
The fourth proportional to 872,032.41, 1,203,342.20 and 479,592.99 is: 661,803.94
Step by Step Solution
- Step 1: Write the proportion equation
872,032.41 : 1,203,342.20 = 479,592.99 : x - Step 2: Convert to fraction form
872,032.41/1,203,342.20 = 479,592.99/x - Step 3: Cross multiply
872,032.41x = 1,203,342.20 × 479,592.99 - Step 4: Simplify right side
872,032.41x = 577,114,481,293.21 - Step 5: Solve for x
x = 577,114,481,293.21/872,032.41 - Step 6: Final answer
x = 661,803.94
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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.