Finding the Fourth Proportional to 657,829.07, 987,137.25 and 283,852.07
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Solution
The fourth proportional to 657,829.07, 987,137.25 and 283,852.07 is: 425,947.96
Step by Step Solution
- Step 1: Write the proportion equation
657,829.07 : 987,137.25 = 283,852.07 : x - Step 2: Convert to fraction form
657,829.07/987,137.25 = 283,852.07/x - Step 3: Cross multiply
657,829.07x = 987,137.25 × 283,852.07 - Step 4: Simplify right side
657,829.07x = 280,200,952,496.24 - Step 5: Solve for x
x = 280,200,952,496.24/657,829.07 - Step 6: Final answer
x = 425,947.96
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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.