Finding the Fourth Proportional to 1,138,740.87, 1,707,530.27 and 380,309.07
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Solution
The fourth proportional to 1,138,740.87, 1,707,530.27 and 380,309.07 is: 570,269.55
Step by Step Solution
- Step 1: Write the proportion equation
1,138,740.87 : 1,707,530.27 = 380,309.07 : x - Step 2: Convert to fraction form
1,138,740.87/1,707,530.27 = 380,309.07/x - Step 3: Cross multiply
1,138,740.87x = 1,707,530.27 × 380,309.07 - Step 4: Simplify right side
1,138,740.87x = 649,389,247,079.00 - Step 5: Solve for x
x = 649,389,247,079.00/1,138,740.87 - Step 6: Final answer
x = 570,269.55
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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.