Finding the Fourth Proportional to 930,181.76, 1,283,664.29 and 522,371.87
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Solution
The fourth proportional to 930,181.76, 1,283,664.29 and 522,371.87 is: 720,880.73
Step by Step Solution
- Step 1: Write the proportion equation
930,181.76 : 1,283,664.29 = 522,371.87 : x - Step 2: Convert to fraction form
930,181.76/1,283,664.29 = 522,371.87/x - Step 3: Cross multiply
930,181.76x = 1,283,664.29 × 522,371.87 - Step 4: Simplify right side
930,181.76x = 670,550,106,589.34 - Step 5: Solve for x
x = 670,550,106,589.34/930,181.76 - Step 6: Final answer
x = 720,880.73
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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.