Finding the Fourth Proportional to 1,143,391.76, 1,714,651.68 and 385,029.62
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Solution
The fourth proportional to 1,143,391.76, 1,714,651.68 and 385,029.62 is: 577,397.62
Step by Step Solution
- Step 1: Write the proportion equation
1,143,391.76 : 1,714,651.68 = 385,029.62 : x - Step 2: Convert to fraction form
1,143,391.76/1,714,651.68 = 385,029.62/x - Step 3: Cross multiply
1,143,391.76x = 1,714,651.68 × 385,029.62 - Step 4: Simplify right side
1,143,391.76x = 660,191,684,782.76 - Step 5: Solve for x
x = 660,191,684,782.76/1,143,391.76 - Step 6: Final answer
x = 577,397.62
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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.