Finding the Fourth Proportional to 683,713.80, 943,524.18 and 381,907.80
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Solution
The fourth proportional to 683,713.80, 943,524.18 and 381,907.80 is: 527,032.28
Step by Step Solution
- Step 1: Write the proportion equation
683,713.80 : 943,524.18 = 381,907.80 : x - Step 2: Convert to fraction form
683,713.80/943,524.18 = 381,907.80/x - Step 3: Cross multiply
683,713.80x = 943,524.18 × 381,907.80 - Step 4: Simplify right side
683,713.80x = 360,339,243,830.60 - Step 5: Solve for x
x = 360,339,243,830.60/683,713.80 - Step 6: Final answer
x = 527,032.28
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1.5x scale
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.