Finding the Fourth Proportional to 657,824.84, 987,130.91 and 283,847.84
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Solution
The fourth proportional to 657,824.84, 987,130.91 and 283,847.84 is: 425,941.62
Step by Step Solution
- Step 1: Write the proportion equation
657,824.84 : 987,130.91 = 283,847.84 : x - Step 2: Convert to fraction form
657,824.84/987,130.91 = 283,847.84/x - Step 3: Cross multiply
657,824.84x = 987,130.91 × 283,847.84 - Step 4: Simplify right side
657,824.84x = 280,194,976,076.44 - Step 5: Solve for x
x = 280,194,976,076.44/657,824.84 - Step 6: Final answer
x = 425,941.62
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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.