Finding the Fourth Proportional to 720,780.68, 994,512.37 and 430,335.83
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Solution
The fourth proportional to 720,780.68, 994,512.37 and 430,335.83 is: 593,764.95
Step by Step Solution
- Step 1: Write the proportion equation
720,780.68 : 994,512.37 = 430,335.83 : x - Step 2: Convert to fraction form
720,780.68/994,512.37 = 430,335.83/x - Step 3: Cross multiply
720,780.68x = 994,512.37 × 430,335.83 - Step 4: Simplify right side
720,780.68x = 427,974,304,037.54 - Step 5: Solve for x
x = 427,974,304,037.54/720,780.68 - Step 6: Final answer
x = 593,764.95
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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.