Finding the Fourth Proportional to 879,101.66, 1,318,579.58 and 280,038.62
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Solution
The fourth proportional to 879,101.66, 1,318,579.58 and 280,038.62 is: 420,034.70
Step by Step Solution
- Step 1: Write the proportion equation
879,101.66 : 1,318,579.58 = 280,038.62 : x - Step 2: Convert to fraction form
879,101.66/1,318,579.58 = 280,038.62/x - Step 3: Cross multiply
879,101.66x = 1,318,579.58 × 280,038.62 - Step 4: Simplify right side
879,101.66x = 369,253,205,943.38 - Step 5: Solve for x
x = 369,253,205,943.38/879,101.66 - Step 6: Final answer
x = 420,034.70
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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.