Finding the Fourth Proportional to 607,785.36, 910,949.86 and 283,135.94
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Solution
The fourth proportional to 607,785.36, 910,949.86 and 283,135.94 is: 424,364.69
Step by Step Solution
- Step 1: Write the proportion equation
607,785.36 : 910,949.86 = 283,135.94 : x - Step 2: Convert to fraction form
607,785.36/910,949.86 = 283,135.94/x - Step 3: Cross multiply
607,785.36x = 910,949.86 × 283,135.94 - Step 4: Simplify right side
607,785.36x = 257,922,644,903.97 - Step 5: Solve for x
x = 257,922,644,903.97/607,785.36 - Step 6: Final answer
x = 424,364.69
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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.