Finding the Fourth Proportional to 859,025.99, 1,287,970.22 and 409,816.19
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Solution
The fourth proportional to 859,025.99, 1,287,970.22 and 409,816.19 is: 614,452.95
Step by Step Solution
- Step 1: Write the proportion equation
859,025.99 : 1,287,970.22 = 409,816.19 : x - Step 2: Convert to fraction form
859,025.99/1,287,970.22 = 409,816.19/x - Step 3: Cross multiply
859,025.99x = 1,287,970.22 × 409,816.19 - Step 4: Simplify right side
859,025.99x = 527,831,052,638.33 - Step 5: Solve for x
x = 527,831,052,638.33/859,025.99 - Step 6: Final answer
x = 614,452.95
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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.