Finding the Fourth Proportional to 789,540.99, 1,089,567.05 and 426,964.83
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Solution
The fourth proportional to 789,540.99, 1,089,567.05 and 426,964.83 is: 589,211.72
Step by Step Solution
- Step 1: Write the proportion equation
789,540.99 : 1,089,567.05 = 426,964.83 : x - Step 2: Convert to fraction form
789,540.99/1,089,567.05 = 426,964.83/x - Step 3: Cross multiply
789,540.99x = 1,089,567.05 × 426,964.83 - Step 4: Simplify right side
789,540.99x = 465,206,808,142.03 - Step 5: Solve for x
x = 465,206,808,142.03/789,540.99 - Step 6: Final answer
x = 589,211.72
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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.