Finding the Fourth Proportional to 768,456.97, 1,060,487.30 and 424,291.75
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Solution
The fourth proportional to 768,456.97, 1,060,487.30 and 424,291.75 is: 585,531.83
Step by Step Solution
- Step 1: Write the proportion equation
768,456.97 : 1,060,487.30 = 424,291.75 : x - Step 2: Convert to fraction form
768,456.97/1,060,487.30 = 424,291.75/x - Step 3: Cross multiply
768,456.97x = 1,060,487.30 × 424,291.75 - Step 4: Simplify right side
768,456.97x = 449,956,012,369.78 - Step 5: Solve for x
x = 449,956,012,369.78/768,456.97 - Step 6: Final answer
x = 585,531.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.