Finding the Fourth Proportional to 825,297.92, 1,237,143.36 and 426,389.12
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Solution
The fourth proportional to 825,297.92, 1,237,143.36 and 426,389.12 is: 639,168.54
Step by Step Solution
- Step 1: Write the proportion equation
825,297.92 : 1,237,143.36 = 426,389.12 : x - Step 2: Convert to fraction form
825,297.92/1,237,143.36 = 426,389.12/x - Step 3: Cross multiply
825,297.92x = 1,237,143.36 × 426,389.12 - Step 4: Simplify right side
825,297.92x = 527,504,468,584.24 - Step 5: Solve for x
x = 527,504,468,584.24/825,297.92 - Step 6: Final answer
x = 639,168.54
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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.