Finding the Fourth Proportional to 670,445.44, 925,214.70 and 368,639.44
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Solution
The fourth proportional to 670,445.44, 925,214.70 and 368,639.44 is: 508,722.42
Step by Step Solution
- Step 1: Write the proportion equation
670,445.44 : 925,214.70 = 368,639.44 : x - Step 2: Convert to fraction form
670,445.44/925,214.70 = 368,639.44/x - Step 3: Cross multiply
670,445.44x = 925,214.70 × 368,639.44 - Step 4: Simplify right side
670,445.44x = 341,070,628,887.77 - Step 5: Solve for x
x = 341,070,628,887.77/670,445.44 - Step 6: Final answer
x = 508,722.42
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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.