Finding the Fourth Proportional to 1,029,340.36, 1,542,303.24 and 728,328.88
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Solution
The fourth proportional to 1,029,340.36, 1,542,303.24 and 728,328.88 is: 1,091,285.29
Step by Step Solution
- Step 1: Write the proportion equation
1,029,340.36 : 1,542,303.24 = 728,328.88 : x - Step 2: Convert to fraction form
1,029,340.36/1,542,303.24 = 728,328.88/x - Step 3: Cross multiply
1,029,340.36x = 1,542,303.24 × 728,328.88 - Step 4: Simplify right side
1,029,340.36x = 1,123,303,991,409.57 - Step 5: Solve for x
x = 1,123,303,991,409.57/1,029,340.36 - Step 6: Final answer
x = 1,091,285.29
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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.