Finding the Fourth Proportional to 489,204.36, 732,646.53 and 387,675.96
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Solution
The fourth proportional to 489,204.36, 732,646.53 and 387,675.96 is: 580,594.68
Step by Step Solution
- Step 1: Write the proportion equation
489,204.36 : 732,646.53 = 387,675.96 : x - Step 2: Convert to fraction form
489,204.36/732,646.53 = 387,675.96/x - Step 3: Cross multiply
489,204.36x = 732,646.53 × 387,675.96 - Step 4: Simplify right side
489,204.36x = 284,029,446,858.42 - Step 5: Solve for x
x = 284,029,446,858.42/489,204.36 - Step 6: Final answer
x = 580,594.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.