Finding the Fourth Proportional to 528,291.72, 729,583.20 and 494,436.96
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Solution
The fourth proportional to 528,291.72, 729,583.20 and 494,436.96 is: 682,828.99
Step by Step Solution
- Step 1: Write the proportion equation
528,291.72 : 729,583.20 = 494,436.96 : x - Step 2: Convert to fraction form
528,291.72/729,583.20 = 494,436.96/x - Step 3: Cross multiply
528,291.72x = 729,583.20 × 494,436.96 - Step 4: Simplify right side
528,291.72x = 360,732,899,475.07 - Step 5: Solve for x
x = 360,732,899,475.07/528,291.72 - Step 6: Final answer
x = 682,828.99
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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.