Finding the Fourth Proportional to 683,646.75, 943,451.96 and 381,860.19
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Solution
The fourth proportional to 683,646.75, 943,451.96 and 381,860.19 is: 526,977.92
Step by Step Solution
- Step 1: Write the proportion equation
683,646.75 : 943,451.96 = 381,860.19 : x - Step 2: Convert to fraction form
683,646.75/943,451.96 = 381,860.19/x - Step 3: Cross multiply
683,646.75x = 943,451.96 × 381,860.19 - Step 4: Simplify right side
683,646.75x = 360,266,744,701.47 - Step 5: Solve for x
x = 360,266,744,701.47/683,646.75 - Step 6: Final answer
x = 526,977.92
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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.