Finding the Fourth Proportional to 622,991.52, 934,443.50 and 355,915.08
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Solution
The fourth proportional to 622,991.52, 934,443.50 and 355,915.08 is: 533,847.61
Step by Step Solution
- Step 1: Write the proportion equation
622,991.52 : 934,443.50 = 355,915.08 : x - Step 2: Convert to fraction form
622,991.52/934,443.50 = 355,915.08/x - Step 3: Cross multiply
622,991.52x = 934,443.50 × 355,915.08 - Step 4: Simplify right side
622,991.52x = 332,582,531,278.41 - Step 5: Solve for x
x = 332,582,531,278.41/622,991.52 - Step 6: Final answer
x = 533,847.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.