Finding the Fourth Proportional to 675,889.87, 932,664.21 and 403,903.63
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Solution
The fourth proportional to 675,889.87, 932,664.21 and 403,903.63 is: 557,348.88
Step by Step Solution
- Step 1: Write the proportion equation
675,889.87 : 932,664.21 = 403,903.63 : x - Step 2: Convert to fraction form
675,889.87/932,664.21 = 403,903.63/x - Step 3: Cross multiply
675,889.87x = 932,664.21 × 403,903.63 - Step 4: Simplify right side
675,889.87x = 376,706,459,990.08 - Step 5: Solve for x
x = 376,706,459,990.08/675,889.87 - Step 6: Final answer
x = 557,348.88
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1.5x scale
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.