Finding the Fourth Proportional to 916,399.44, 1,375,135.08 and 383,875.44
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Solution
The fourth proportional to 916,399.44, 1,375,135.08 and 383,875.44 is: 576,037.65
Step by Step Solution
- Step 1: Write the proportion equation
916,399.44 : 1,375,135.08 = 383,875.44 : x - Step 2: Convert to fraction form
916,399.44/1,375,135.08 = 383,875.44/x - Step 3: Cross multiply
916,399.44x = 1,375,135.08 × 383,875.44 - Step 4: Simplify right side
916,399.44x = 527,880,583,894.44 - Step 5: Solve for x
x = 527,880,583,894.44/916,399.44 - Step 6: Final answer
x = 576,037.65
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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.