Finding the Fourth Proportional to 683,781.57, 943,675.38 and 377,917.68
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Solution
The fourth proportional to 683,781.57, 943,675.38 and 377,917.68 is: 521,557.80
Step by Step Solution
- Step 1: Write the proportion equation
683,781.57 : 943,675.38 = 377,917.68 : x - Step 2: Convert to fraction form
683,781.57/943,675.38 = 377,917.68/x - Step 3: Cross multiply
683,781.57x = 943,675.38 × 377,917.68 - Step 4: Simplify right side
683,781.57x = 356,631,610,282.72 - Step 5: Solve for x
x = 356,631,610,282.72/683,781.57 - Step 6: Final answer
x = 521,557.80
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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.