Finding the Fourth Proportional to 736,198.56, 1,103,553.84 and 286,639.20
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Solution
The fourth proportional to 736,198.56, 1,103,553.84 and 286,639.20 is: 429,669.12
Step by Step Solution
- Step 1: Write the proportion equation
736,198.56 : 1,103,553.84 = 286,639.20 : x - Step 2: Convert to fraction form
736,198.56/1,103,553.84 = 286,639.20/x - Step 3: Cross multiply
736,198.56x = 1,103,553.84 × 286,639.20 - Step 4: Simplify right side
736,198.56x = 316,321,789,854.53 - Step 5: Solve for x
x = 316,321,789,854.53/736,198.56 - Step 6: Final answer
x = 429,669.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.