Finding the Fourth Proportional to 712,135.83, 1,073,202.51 and 641,129.41
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Solution
The fourth proportional to 712,135.83, 1,073,202.51 and 641,129.41 is: 966,194.46
Step by Step Solution
- Step 1: Write the proportion equation
712,135.83 : 1,073,202.51 = 641,129.41 : x - Step 2: Convert to fraction form
712,135.83/1,073,202.51 = 641,129.41/x - Step 3: Cross multiply
712,135.83x = 1,073,202.51 × 641,129.41 - Step 4: Simplify right side
712,135.83x = 688,061,692,046.82 - Step 5: Solve for x
x = 688,061,692,046.82/712,135.83 - Step 6: Final answer
x = 966,194.46
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.