Finding the Fourth Proportional to 752,918.58, 1,039,029.42 and 413,408.70
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Solution
The fourth proportional to 752,918.58, 1,039,029.42 and 413,408.70 is: 570,504.98
Step by Step Solution
- Step 1: Write the proportion equation
752,918.58 : 1,039,029.42 = 413,408.70 : x - Step 2: Convert to fraction form
752,918.58/1,039,029.42 = 413,408.70/x - Step 3: Cross multiply
752,918.58x = 1,039,029.42 × 413,408.70 - Step 4: Simplify right side
752,918.58x = 429,543,801,783.95 - Step 5: Solve for x
x = 429,543,801,783.95/752,918.58 - Step 6: Final answer
x = 570,504.98
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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.